Fix: strip UTF-8 BOM from domain JSON so validation passes

domains/babarhasnain.json

@@ -1,4 +1,4 @@
-{
+{
   "owner": {
     "username": "syedbabarali336-jpg",
     "email": "syedbabarali336@gmail.com"
@@ -6,4 +6,4 @@
   "records": {
     "CNAME": "syedbabarali336-jpg.github.io"
   }
-}
+}