Snippet format update

To match the starter (for the migration)

snippets/partial.md

@@ -1,4 +1,7 @@
-### partial
+---
+title: partial
+tags: function,intermediate
+---
 
 Creates a function that invokes `fn` with `partials` prepended to the arguments it receives.
 
@@ -12,4 +15,4 @@ const partial = (fn, ...partials) => (...args) => fn(...partials, ...args);
 const greet = (greeting, name) => greeting + ' ' + name + '!';
 const greetHello = partial(greet, 'Hello');
 greetHello('John'); // 'Hello John!'
-```
+```