Snippet format update

To match the starter (for the migration)

snippets/hasFlags.md

@@ -1,4 +1,7 @@
-### hasFlags
+---
+title: hasFlags
+tags: node,intermediate
+---
 
 Check if the current process's arguments contain the specified flags.
 
@@ -15,4 +18,4 @@ const hasFlags = (...flags) =>
 hasFlags('-s'); // true
 hasFlags('--test', 'cool=true', '-s'); // true
 hasFlags('special'); // false
-```
+```