[formatting] add newline to file(s) (#1508)

* Trail appropriate files with a new line

* For some ironic reason it ignored itself

Probably because it wasn’t tracked/commited yet.

* Rename newlines to server executable naming pattern

core/assets-raw/fontgen/config.json

@@ -921,4 +921,4 @@
       "src": "fontawesome"
     }
   ]
-}
+}