Snippet format update

To match the starter (for the migration)

snippets_archive/binarySearch.md

@@ -1,4 +1,7 @@
-### binarySearch
+---
+title: binarySearch
+tags: algorithm,beginner
+---
 
 Use recursion. Similar to `Array.prototype.indexOf()` that finds the index of a value within an array.
 The difference being this operation only works with sorted arrays which offers a major performance boost due to it's logarithmic nature when compared to a linear search or `Array.prototype.indexOf()`.
@@ -21,4 +24,4 @@ const binarySearch = (arr, val, start = 0, end = arr.length - 1) => {
 ```js
 binarySearch([1, 4, 6, 7, 12, 13, 15, 18, 19, 20, 22, 24], 6); // 2
 binarySearch([1, 4, 6, 7, 12, 13, 15, 18, 19, 20, 22, 24], 21); // -1
-```
+```