refactor: db refactor and cache key add. (#2320)

* refactor: db refactor and cache key add.

* refactor: db refactor and cache key add.

* refactor: go version update.

* refactor: file name change.

pkg/common/storage/cache/cachekey/doc.go

@@ -0,0 +1,15 @@
+// Copyright © 2024 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 cachekey // import "github.com/openimsdk/open-im-server/v3/pkg/common/storage/cachekey"