Add warning to files.

resources/lang/id_ID/auth.php

@@ -20,7 +20,17 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-// Ignore this comment
+/*
+ * PLEASE DO NOT EDIT THIS FILE DIRECTLY.
+ * YOUR CHANGES WILL BE OVERWRITTEN!
+ * YOUR PR WITH CHANGES TO THIS FILE WILL BE REJECTED!
+ *
+ * GO TO CROWDIN TO FIX OR CHANGE TRANSLATIONS!
+ *
+ * https://crowdin.com/project/firefly-iii
+ * 
+ */
+
 
 declare(strict_types=1);