Snippet format update

To match the starter (for the migration)

snippets/bifurcateBy.md

@@ -1,4 +1,7 @@
-### bifurcateBy
+---
+title: bifurcateBy
+tags: array,function,intermediate
+---
 
 Splits values into two groups according to a predicate function, which specifies which group an element in the input collection belongs to. If the predicate function returns a truthy value, the collection element belongs to the first group; otherwise, it belongs to the second group.
 
@@ -11,4 +14,4 @@ const bifurcateBy = (arr, fn) =>
 
 ```js
 bifurcateBy(['beep', 'boop', 'foo', 'bar'], x => x[0] === 'b'); // [ ['beep', 'boop', 'bar'], ['foo'] ]
-```
+```