Snippet format update

To match the starter (for the migration)

snippets/bind.md

@@ -1,4 +1,7 @@
-### bind
+---
+title: bind
+tags: function,object,intermediate
+---
 
 Creates a function that invokes `fn` with a given context, optionally adding any additional supplied parameters to the beginning of the arguments.
 
@@ -16,4 +19,4 @@ function greet(greeting, punctuation) {
 const freddy = { user: 'fred' };
 const freddyBound = bind(greet, freddy);
 console.log(freddyBound('hi', '!')); // 'hi fred!'
-```
+```