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/stream-merge/index.md

@@ -0,0 +1,37 @@
+---
+title: Stream Merge
+---
+# Stream Merge
+
+---
+## Solutions
+
+<details><summary>Solution 1 (Click to Show/Hide)</summary>
+
+```javascript
+function mergeLists(lists) {
+  function merge (l1, l2) {
+    var result = [], i=0, j=0;
+    while (l1.length && l2.length) {
+      if(l1[i]<=l2[j]){
+        result.push(l1.shift());
+      }else{
+        result.push(l2.shift());
+      }
+    }
+
+    result.push.apply(result, l1);
+    result.push.apply(result, l2);
+    return result;
+  }
+
+  var result=lists[0];
+  for (var i = 1; i < lists.length; i++) {
+    result=merge(result, lists[i]);
+  }
+
+  return result;
+}
+```
+
+</details>