Snippet format update

To match the starter (for the migration)

snippets/approximatelyEqual.md

@@ -1,4 +1,7 @@
-### approximatelyEqual
+---
+title: approximatelyEqual
+tags: math,beginner
+---
 
 Checks if two numbers are approximately equal to each other.
 
@@ -11,4 +14,4 @@ const approximatelyEqual = (v1, v2, epsilon = 0.001) => Math.abs(v1 - v2) < epsi
 
 ```js
 approximatelyEqual(Math.PI / 2.0, 1.5708); // true
-```
+```