Add sillypnk.json

I changed the record from CNAME to URL insteaad this time. I forgot to change it I terribly apologize for that.

domains/sillypnk.json

@@ -4,6 +4,6 @@
         "email": "kumukuro@gmail.com"
     },
     "records": {
-        "CNAME": "sillypnk.reios.workers.dev"
+        "URL": "https://sillypnk.reios.workers.dev"
     }
 }