feat(curriculum): restore seed + solution to Chinese (#40683)

* feat(tools): add seed/solution restore script

* chore(curriculum): remove empty sections' markers

* chore(curriculum): add seed + solution to Chinese

* chore: remove old formatter

* fix: update getChallenges

parse translated challenges separately, without reference to the source

* chore(curriculum): add dashedName to English

* chore(curriculum): add dashedName to Chinese

* refactor: remove unused challenge property 'name'

* fix: relax dashedName requirement

* fix: stray tag

Remove stray `pre` tag from challenge file.

Signed-off-by: nhcarrigan <nhcarrigan@gmail.com>

Co-authored-by: nhcarrigan <nhcarrigan@gmail.com>

curriculum/challenges/english/06-quality-assurance/quality-assurance-projects/american-british-translator.md

@@ -2,6 +2,7 @@
 id: 5e601c0d5ac9d0ecd8b94afe
 title: American British Translator
 challengeType: 4
+dashedName: american-british-translator
 ---
 
 # --description--
@@ -324,8 +325,6 @@ async (getUserInput) => {
 };
 ```
 
-# --seed--
-
 # --solutions--
 
 ```js

curriculum/challenges/english/06-quality-assurance/quality-assurance-projects/issue-tracker.md

@@ -3,6 +3,7 @@ id: 587d8249367417b2b2512c42
 title: Issue Tracker
 challengeType: 4
 forumTopicId: 301569
+dashedName: issue-tracker
 ---
 
 # --description--
@@ -357,8 +358,6 @@ async (getUserInput) => {
 };
 ```
 
-# --seed--
-
 # --solutions--
 
 ```js

curriculum/challenges/english/06-quality-assurance/quality-assurance-projects/metric-imperial-converter.md

@@ -3,6 +3,7 @@ id: 587d8249367417b2b2512c41
 title: Metric-Imperial Converter
 challengeType: 4
 forumTopicId: 301570
+dashedName: metric-imperial-converter
 ---
 
 # --description--
@@ -271,8 +272,6 @@ async (getUserInput) => {
 };
 ```
 
-# --seed--
-
 # --solutions--
 
 ```js

curriculum/challenges/english/06-quality-assurance/quality-assurance-projects/personal-library.md

@@ -3,6 +3,7 @@ id: 587d824a367417b2b2512c43
 title: Personal Library
 challengeType: 4
 forumTopicId: 301571
+dashedName: personal-library
 ---
 
 # --description--
@@ -209,8 +210,6 @@ async (getUserInput) => {
 };
 ```
 
-# --seed--
-
 # --solutions--
 
 ```js

curriculum/challenges/english/06-quality-assurance/quality-assurance-projects/sudoku-solver.md

@@ -2,6 +2,7 @@
 id: 5e601bf95ac9d0ecd8b94afd
 title: Sudoku Solver
 challengeType: 4
+dashedName: sudoku-solver
 ---
 
 # --description--
@@ -344,8 +345,6 @@ async (getUserInput) => {
 };
 ```
 
-# --seed--
-
 # --solutions--
 
 ```js