Fix group and config (#2341)

* fix:fcm config path

* update:go mod(only one can create group)

* feat:get fcm config from url

* fix:err and name

* fix:config name and annotation

* refactor:change FCM config name

* refactor:change standardized URL

* Update openim-push.yml

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Co-authored-by: skiffer-git <72860476+skiffer-git@users.noreply.github.com>

config/openim-push.yml

@@ -23,7 +23,9 @@ geTui:
   channelID: ''
   channelName: ''
 fcm:
-  serviceAccount: "x.json"
+  # Prioritize using file paths. If the file path is empty, use URL
+  filePath: ""  # File path is concatenated with the parameters passed in through - c(`mage` default pass in `config/`) and filePath. 
+  authURL: ""  #  Must start with https or http.
 jpns:
   appKey: ''
   masterSecret: ''