Snippet format update

To match the starter (for the migration)

snippets/isArrayLike.md

@@ -1,4 +1,7 @@
-### isArrayLike
+---
+title: isArrayLike
+tags: type,array,intermediate
+---
 
 Checks if the provided argument is array-like (i.e. is iterable).
 
@@ -12,4 +15,4 @@ const isArrayLike = obj => obj != null && typeof obj[Symbol.iterator] === 'funct
 isArrayLike(document.querySelectorAll('.className')); // true
 isArrayLike('abc'); // true
 isArrayLike(null); // false
-```
+```