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