Snippet format update

To match the starter (for the migration)
2019-08-13 10:29:12 +03:00
parent a5164f392a
commit 611729214a
381 changed files with 1951 additions and 1989 deletions
--- a/snippets/difference.md
+++ b/snippets/difference.md
@ -1,4 +1,7 @@
-### difference
+---
+title: difference
+tags: array,math,beginner
+---

 Returns the difference between two arrays.

@ -13,4 +16,4 @@ const difference = (a, b) => {

 ```js
 difference([1, 2, 3], [1, 2, 4]); // [3]
-```
+```