add webhooks (#1465)

* add callback before join group

* fix bug

* fix deployments/templates/alertmanager.yml

* fix bug

* update callback after join group

* merge callback after join group

* update callback setrgoup info

* test

* test

* test

* update three functions in friend category

* test friend and blacklist

* test

* test

* test

* Update openim.yaml

* merge callback after join group

* merge callback after join group

* merge callback after join group

* fix callbackbeforesetgroupinfo

* fix eventtime

* update api request required

* update api request required

* update api request required

* delete unused code

* delete unused code

* fix

* Update .env

* Update .env

* Update callback.go

* Update callback.go

* Update .env

* Update .env

* fix: merge

* update

* fix: merge

* fix: fix bugs

* update callback enable

* update callback enable

* update callback enable

* update callback enable

* update callback enable

* update callback enable

* Update openim.yaml

* Update environment.sh

* Update environment.md

* Update environment.md

* Update environment.sh

---------

Co-authored-by: Gordon <1432970085@qq.com>

cmd/openim-msggateway/main.go

@@ -23,6 +23,7 @@ func main() {
 	msgGatewayCmd.AddWsPortFlag()
 	msgGatewayCmd.AddPortFlag()
 	msgGatewayCmd.AddPrometheusPortFlag()
+
 	if err := msgGatewayCmd.Exec(); err != nil {
 		panic(err.Error())
 	}