add MongoDB,Redis,Kafka retry mechanism (#518)

pkg/common/http/http_client.go

@@ -1,9 +1,18 @@
-/*
-** description("").
-** copyright('open-im,www.open-im.io').
-** author("fg,Gordon@tuoyun.net").
-** time(2021/5/27 10:31).
- */package http
+// Copyright © 2023 OpenIM. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package http
 
 import (
 	"bytes"