Snippet format update

To match the starter (for the migration)

snippets/dropRightWhile.md

@@ -1,4 +1,7 @@
-### dropRightWhile
+---
+title: dropRightWhile
+tags: array,function,intermediate
+---
 
 Removes elements from the end of an array until the passed function returns `true`. Returns the remaining elements in the array.
 
@@ -15,4 +18,4 @@ const dropRightWhile = (arr, func) => {
 
 ```js
 dropRightWhile([1, 2, 3, 4], n => n < 3); // [1, 2]
-```
+```