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/01-responsive-web-design/responsive-web-design-principles/create-a-media-query.md

@@ -4,6 +4,7 @@ title: Create a Media Query
 challengeType: 0
 videoUrl: 'https://scrimba.com/p/pzrPu4/cqwKrtm'
 forumTopicId: 301139
+dashedName: create-a-media-query
 ---
 
 # --description--

curriculum/challenges/english/01-responsive-web-design/responsive-web-design-principles/make-an-image-responsive.md

@@ -4,6 +4,7 @@ title: Make an Image Responsive
 challengeType: 0
 videoUrl: 'https://scrimba.com/p/pzrPu4/cz763UD'
 forumTopicId: 301140
+dashedName: make-an-image-responsive
 ---
 
 # --description--

curriculum/challenges/english/01-responsive-web-design/responsive-web-design-principles/make-typography-responsive.md

@@ -4,6 +4,7 @@ title: Make Typography Responsive
 challengeType: 0
 videoUrl: 'https://scrimba.com/p/pzrPu4/crzN7T8'
 forumTopicId: 301141
+dashedName: make-typography-responsive
 ---
 
 # --description--

curriculum/challenges/english/01-responsive-web-design/responsive-web-design-principles/use-a-retina-image-for-higher-resolution-displays.md

@@ -4,6 +4,7 @@ title: Use a Retina Image for Higher Resolution Displays
 challengeType: 0
 videoUrl: 'https://scrimba.com/p/pzrPu4/cVZ4Rfp'
 forumTopicId: 301142
+dashedName: use-a-retina-image-for-higher-resolution-displays
 ---
 
 # --description--