Snippet format update

To match the starter (for the migration)

snippets/isObject.md

@@ -1,4 +1,7 @@
-### isObject
+---
+title: isObject
+tags: type,object,beginner
+---
 
 Returns a boolean determining if the passed value is an object or not.
 
@@ -16,4 +19,4 @@ isObject(['Hello!']); // true
 isObject({ a: 1 }); // true
 isObject({}); // true
 isObject(true); // false
-```
+```