fix(guide) add stubs, update spellings and prepare for move (#36531)

* fix(guide) add stubs and correct file path misspellings and pr… (#36528)

* fix: corrected file path to match curriculum

* fix: renamed to newer challenge name

* fix: added solutions to articles from challenge files

* fix: added missing .english to file name

* fix: added missing title to guide article

* fix: correct solution for guide article

* fix: replaced stub with hint

* fix: added space in Hint headers

* fix: added solution to guide article

* fix: added solution to guide article

* test: replaced stub with hint and solution

* fix: add Problem number: to title

* fix: changed generatorexponential to correct name

* fix: renamed knight's tour to knights-tour

* fix: updated guide article

guide/english/certifications/coding-interview-prep/rosetta-code/stern-brocot-sequence/index.md

@@ -0,0 +1,26 @@
+---
+title: Stern-Brocot sequence
+---
+# Stern-Brocot sequence
+
+---
+## Solutions
+
+<details><summary>Solution 1 (Click to Show/Hide)</summary>
+
+```javascript
+function sternBrocot(num) {
+  function f(n) {
+    return n < 2 ? n : (n & 1) ? f(Math.floor(n / 2)) + f(Math.floor(n / 2 + 1)) : f(Math.floor(n / 2));
+  }
+
+  function gcd(a, b) {
+    return a ? a < b ? gcd(b % a, a) : gcd(a % b, b) : b;
+  }
+  var n;
+  for (n = 1; f(n) != num; n++);
+  return n;
+}
+```
+
+</details>