Feat: hide blocks not challenges (#39504)

* fix: remove isHidden flag from frontmatter

* fix: add isUpcomingChange

Co-authored-by: Ahmad Abdolsaheb <ahmad.abdolsaheb@gmail.com>

* feat: hide blocks not challenges

Co-authored-by: Ahmad Abdolsaheb <ahmad.abdolsaheb@gmail.com>

Co-authored-by: Ahmad Abdolsaheb <ahmad.abdolsaheb@gmail.com>

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/regular-expressions/check-for-all-or-none.english.md

@@ -2,7 +2,6 @@
 id: 587d7dba367417b2b2512ba8
 title: Check for All or None
 challengeType: 1
-isHidden: false
 forumTopicId: 301338
 ---
 

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/regular-expressions/check-for-mixed-grouping-of-characters.english.md

@@ -2,7 +2,6 @@
 id: 5c3dda8b4d8df89bea71600f
 title: Check For Mixed Grouping of Characters
 challengeType: 1
-isHidden: false
 forumTopicId: 301339
 ---
 

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/regular-expressions/extract-matches.english.md

@@ -2,7 +2,6 @@
 id: 587d7db4367417b2b2512b92
 title: Extract Matches
 challengeType: 1
-isHidden: false
 forumTopicId: 301340
 ---
 

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/regular-expressions/find-characters-with-lazy-matching.english.md

@@ -2,7 +2,6 @@
 id: 587d7db6367417b2b2512b9b
 title: Find Characters with Lazy Matching
 challengeType: 1
-isHidden: false
 forumTopicId: 301341
 ---
 

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/regular-expressions/find-more-than-the-first-match.english.md

@@ -2,7 +2,6 @@
 id: 587d7db4367417b2b2512b93
 title: Find More Than the First Match
 challengeType: 1
-isHidden: false
 forumTopicId: 301342
 ---
 

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/regular-expressions/find-one-or-more-criminals-in-a-hunt.english.md

@@ -2,7 +2,6 @@
 id: 587d7db7367417b2b2512b9c
 title: Find One or More Criminals in a Hunt
 challengeType: 1
-isHidden: false
 forumTopicId: 301343
 ---
 

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/regular-expressions/ignore-case-while-matching.english.md

@@ -2,7 +2,6 @@
 id: 587d7db4367417b2b2512b91
 title: Ignore Case While Matching
 challengeType: 1
-isHidden: false
 forumTopicId: 301344
 ---
 

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/regular-expressions/match-a-literal-string-with-different-possibilities.english.md

@@ -2,7 +2,6 @@
 id: 587d7db4367417b2b2512b90
 title: Match a Literal String with Different Possibilities
 challengeType: 1
-isHidden: false
 forumTopicId: 301345
 ---
 

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/regular-expressions/match-all-letters-and-numbers.english.md

@@ -2,7 +2,6 @@
 id: 587d7db7367417b2b2512b9f
 title: Match All Letters and Numbers
 challengeType: 1
-isHidden: false
 forumTopicId: 301346
 ---
 

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/regular-expressions/match-all-non-numbers.english.md

@@ -2,7 +2,6 @@
 id: 587d7db8367417b2b2512ba1
 title: Match All Non-Numbers
 challengeType: 1
-isHidden: false
 forumTopicId: 301347
 ---
 

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/regular-expressions/match-all-numbers.english.md

@@ -2,7 +2,6 @@
 id: 5d712346c441eddfaeb5bdef
 title: Match All Numbers
 challengeType: 1
-isHidden: false
 forumTopicId: 18181
 ---
 

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/regular-expressions/match-anything-with-wildcard-period.english.md

@@ -2,7 +2,6 @@
 id: 587d7db5367417b2b2512b94
 title: Match Anything with Wildcard Period
 challengeType: 1
-isHidden: false
 forumTopicId: 301348
 ---
 

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/regular-expressions/match-beginning-string-patterns.english.md

@@ -2,7 +2,6 @@
 id: 587d7db7367417b2b2512b9d
 title: Match Beginning String Patterns
 challengeType: 1
-isHidden: false
 forumTopicId: 301349
 ---
 

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/regular-expressions/match-characters-that-occur-one-or-more-times.english.md

@@ -2,7 +2,6 @@
 id: 587d7db6367417b2b2512b99
 title: Match Characters that Occur One or More Times
 challengeType: 1
-isHidden: false
 forumTopicId: 301350
 ---
 

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/regular-expressions/match-characters-that-occur-zero-or-more-times.english.md

@@ -2,7 +2,6 @@
 id: 587d7db6367417b2b2512b9a
 title: Match Characters that Occur Zero or More Times
 challengeType: 1
-isHidden: false
 forumTopicId: 301351
 ---
 

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/regular-expressions/match-ending-string-patterns.english.md

@@ -2,7 +2,6 @@
 id: 587d7db7367417b2b2512b9e
 title: Match Ending String Patterns
 challengeType: 1
-isHidden: false
 forumTopicId: 301352
 ---
 

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/regular-expressions/match-everything-but-letters-and-numbers.english.md

@@ -2,7 +2,6 @@
 id: 587d7db8367417b2b2512ba0
 title: Match Everything But Letters and Numbers
 challengeType: 1
-isHidden: false
 forumTopicId: 301353
 ---
 

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/regular-expressions/match-letters-of-the-alphabet.english.md

@@ -2,7 +2,6 @@
 id: 587d7db5367417b2b2512b96
 title: Match Letters of the Alphabet
 challengeType: 1
-isHidden: false
 forumTopicId: 301354
 ---
 

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/regular-expressions/match-literal-strings.english.md

@@ -2,7 +2,6 @@
 id: 587d7db3367417b2b2512b8f
 title: Match Literal Strings
 challengeType: 1
-isHidden: false
 forumTopicId: 301355
 ---
 

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/regular-expressions/match-non-whitespace-characters.english.md

@@ -2,7 +2,6 @@
 id: 587d7db9367417b2b2512ba4
 title: Match Non-Whitespace Characters
 challengeType: 1
-isHidden: false
 forumTopicId: 18210
 ---
 

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/regular-expressions/match-numbers-and-letters-of-the-alphabet.english.md

@@ -2,7 +2,6 @@
 id: 587d7db5367417b2b2512b97
 title: Match Numbers and Letters of the Alphabet
 challengeType: 1
-isHidden: false
 forumTopicId: 301356
 ---
 

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/regular-expressions/match-single-character-with-multiple-possibilities.english.md

@@ -2,7 +2,6 @@
 id: 587d7db5367417b2b2512b95
 title: Match Single Character with Multiple Possibilities
 challengeType: 1
-isHidden: false
 forumTopicId: 301357
 ---
 

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/regular-expressions/match-single-characters-not-specified.english.md

@@ -2,7 +2,6 @@
 id: 587d7db6367417b2b2512b98
 title: Match Single Characters Not Specified
 challengeType: 1
-isHidden: false
 forumTopicId: 301358
 ---
 

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/regular-expressions/match-whitespace.english.md

@@ -2,7 +2,6 @@
 id: 587d7db8367417b2b2512ba3
 title: Match Whitespace
 challengeType: 1
-isHidden: false
 forumTopicId: 301359
 ---
 

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/regular-expressions/positive-and-negative-lookahead.english.md

@@ -2,7 +2,6 @@
 id: 587d7dba367417b2b2512ba9
 title: Positive and Negative Lookahead
 challengeType: 1
-isHidden: false
 forumTopicId: 301360
 ---
 

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/regular-expressions/remove-whitespace-from-start-and-end.english.md

@@ -2,7 +2,6 @@
 id: 587d7dbb367417b2b2512bac
 title: Remove Whitespace from Start and End
 challengeType: 1
-isHidden: false
 forumTopicId: 301362
 ---
 

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/regular-expressions/restrict-possible-usernames.english.md

@@ -2,7 +2,6 @@
 id: 587d7db8367417b2b2512ba2
 title: Restrict Possible Usernames
 challengeType: 1
-isHidden: false
 forumTopicId: 301363
 ---
 

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/regular-expressions/reuse-patterns-using-capture-groups.english.md

@@ -2,7 +2,6 @@
 id: 587d7dbb367417b2b2512baa
 title: Reuse Patterns Using Capture Groups
 challengeType: 1
-isHidden: false
 forumTopicId: 301364
 ---
 

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/regular-expressions/specify-exact-number-of-matches.english.md

@@ -2,7 +2,6 @@
 id: 587d7db9367417b2b2512ba7
 title: Specify Exact Number of Matches
 challengeType: 1
-isHidden: false
 forumTopicId: 301365
 ---
 

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/regular-expressions/specify-only-the-lower-number-of-matches.english.md

@@ -2,7 +2,6 @@
 id: 587d7db9367417b2b2512ba6
 title: Specify Only the Lower Number of Matches
 challengeType: 1
-isHidden: false
 forumTopicId: 301366
 ---
 

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/regular-expressions/specify-upper-and-lower-number-of-matches.english.md

@@ -2,7 +2,6 @@
 id: 587d7db9367417b2b2512ba5
 title: Specify Upper and Lower Number of Matches
 challengeType: 1
-isHidden: false
 forumTopicId: 301367
 ---
 

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/regular-expressions/use-capture-groups-to-search-and-replace.english.md

@@ -2,7 +2,6 @@
 id: 587d7dbb367417b2b2512bab
 title: Use Capture Groups to Search and Replace
 challengeType: 1
-isHidden: false
 forumTopicId: 301368
 ---
 

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/regular-expressions/using-the-test-method.english.md

@@ -2,7 +2,6 @@
 id: 587d7db3367417b2b2512b8e
 title: Using the Test Method
 challengeType: 1
-isHidden: false
 forumTopicId: 301369
 ---