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/execute-brain.md

@@ -3,6 +3,7 @@ id: 59e0a8df964e4540d5abe599
 title: 执行大脑****
 challengeType: 5
 videoUrl: ''
+dashedName: execute-brain
 ---
 
 # --description--
@@ -41,5 +42,142 @@ assert.equal(brain(hello), 'Hello World!\n');
 assert.equal(brain(fib), '1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89');
 ```
 
+# --seed--
+
+## --before-user-code--
+
+```js
+let fib=`+
+
+++
+
++++
+
+++++
+
++>+>>
+
+>>++++
+
++++++++
+
+++++++++
+
++++++++++
+
+++++++++++
+
+++++++>++++
+
+++++++++++++
+
++++++++++++++
+
++++<<<<<<[>[>>
+
+>>>>+>+<<<<<<<-
+
+]>>>>>>>[<<<<<<<
+
++>>>>>>>-]<[>++++
+
+++++++[-<-[>>+>+<<
+
+<-]>>>[<<<+>>>-]+<[
+
+>[-]<[-]]>[<<[>>>+<<
+
+<-]>>[-]]<<]>>>[>>+>+
+
+<<<-]>>>[<<<+>>>-]+<[>
+
+[-]<[-]]>[<<+>>[-]]<<<<
+
+<<<]>>>>>[++++++++++++++
+
++++++++++++++++++++++++++
+
++++++++++.[-]]++++++++++<[
+
+->-<]>+++++++++++++++++++++
+
++++++++++++++++++++++++++++.
+
+[-]<<<<<<<<<<<<[>>>+>+<<<<-]>
+
+>>>[<<<<+>>>>-]<-[>>.>.<<<[-]]
+
+<<[>>+>+<<<-]>>>[<<<+>>>-]<<[<+
+
+>-]>[<+>-]<<<-]`;
+let hello='++++++++[>++++[>++>+++>+++>+<<<<-]>+>+>->>+[<]<-]>>.>---.+++++++..+++.>>.<-.<.+++.------.--------.>>+.>++.'
+let bye='++++++++++[>+>+++>++++>+++++++>++++++++>+++++++++>++++++++++>+++++++++++>++++++++++++<<<<<<<<<-]>>>>+.>>>>+..<.<++++++++.>>>+.<<+.<<<<++++.<++.>>>+++++++.>>>.+++.<+++++++.--------.<<<<<+.<+++.---.';
+```
+
+## --seed-contents--
+
+```js
+function brain(prog) {
+
+}
+```
+
 # --solutions--
 
+```js
+function brain(prog){
+  var output="";
+    var code; // formatted code
+  var ip = 0; // current instruction within code
+  var nest = 0; // current bracket nesting (for Out button)
+  var ahead = []; // locations of matching brackets
+
+  var data = [0]; // data array (mod by +, -)
+  var dp = 0; // index into data (mod by <, >)
+
+  var inp = 0; // current input character (fetch with ,)
+  var quit = 0;
+    var commands = {
+    '>':function() { if (++dp >= data.length) data[dp]=0 },
+    '<':function() { if (--dp < 0) quit++ },
+    '+':function() { ++data[dp] },
+    '-':function() { --data[dp] },
+    '[':function() { if (!data[dp]) ip = ahead[ip]; else ++nest },
+    ']':function() { if ( data[dp]) ip = ahead[ip]; else --nest },
+    ',':function() {
+        var c = document.getElementById("input").value.charCodeAt(inp++);
+        data[dp] = isNaN(c) ? 0 : c; // EOF: other options are -1 or no change
+    },
+    '.':function() {
+            output+=String.fromCharCode(data[dp]);
+            /*var s = document.getElementById("output").innerHTML)
+             + String.fromCharCode(data[dp]);
+            s = s.replace(/\n/g,"<br>").replace(/ /g,"&amp;nbsp;");
+            document.getElementById("output").innerHTML = s;*/
+        },
+    };
+
+    let ar=prog.split('');
+    var st = [], back, error = -1;
+    for (ip=0; ip<ar.length; ip++) {
+        switch(ar[ip]) {
+        case '[':
+            st.push(ip);
+            break;
+        case ']':
+            if (st.length == 0) error = ip;
+            back = st.pop();
+            ahead[ip] = back;
+            ahead[back] = ip;
+            break;
+        }
+    }
+
+    for(ip=0;ip<ar.length;ip++){
+    if(commands.hasOwnProperty(ar[ip]))
+          commands[ar[ip]]();
+    }
+
+    return output;
+}
+```