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/chinese/10-coding-interview-prep/rosetta-code/word-wrap.md

@@ -3,6 +3,7 @@ id: 594810f028c0303b75339ad4
 title: 自动换行
 challengeType: 5
 videoUrl: ''
+dashedName: word-wrap
 ---
 
 # --description--
@@ -55,5 +56,48 @@ assert(wrapped42.split('\n').length === 7);
 assert.equal(wrapped42.split('\n')[0], firstRow42);
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+const text =
+`Wrap text using a more sophisticated algorithm such as the Knuth and Plass TeX algorithm.
+If your language provides this, you get easy extra credit,
+but you ''must reference documentation'' indicating that the algorithm
+is something better than a simple minimum length algorithm.`;
+
+const wrapped80 = wrap(text, 80);
+const wrapped42 = wrap(text, 42);
+
+const firstRow80 =
+    'Wrap text using a more sophisticated algorithm such as the Knuth and Plass TeX';
+
+const firstRow42 = 'Wrap text using a more sophisticated';
+```
+
+## --seed-contents--
+
+```js
+function wrap(text, limit) {
+  return text;
+}
+```
+
 # --solutions--
 
+```js
+function wrap(text, limit) {
+  const noNewlines = text.replace('\n', '');
+  if (noNewlines.length > limit) {
+    // find the last space within limit
+    const edge = noNewlines.slice(0, limit).lastIndexOf(' ');
+    if (edge > 0) {
+      const line = noNewlines.slice(0, edge);
+      const remainder = noNewlines.slice(edge + 1);
+      return line + '\n' + wrap(remainder, limit);
+    }
+  }
+  return text;
+}
+```