Merge pull request #285 from mapswipe/update-db-rule

Update database rules for the leaderboard v2

Author: Hagellach37

firebase/database.rules.json

@@ -55,8 +55,8 @@
         }
       },
       "users": {
+        ".read": true,
         "$uid": {
-          ".read": "auth != null && auth.uid == $uid",
           ".write": "auth != null && auth.uid == $uid"
         },
         ".indexOn": [