feat(doc): Add rule for Peripheral Projects and describe the rule of joining and achriving

Signed-off-by: leonrayang <chl696@sina.com>

GOVERNANCE.md

@@ -261,17 +261,33 @@ The CubeFS organization is open to receive new sub-projects under its umbrella.
 into the __CubeFS__ organization, it has to meet the following criteria:
 
 - Must be licensed under the terms of the Apache License v2.0
-- Must be related to one or more scopes of the CubeFS ecosystem:
+- Must be closely related to one or more areas of the CubeFS ecosystem, and CubeFS relies heavily on these projects:
   - CubeFS project artifacts (website, deployments, CI, etc)
   - External plugins
   - Other storage related topics
 - Must be supported by a Maintainer not associated or affiliated with the author(s) of the sub-projects
 - sub-projects can have their own repositories but follow the same governance mechanism as the main project
+- Joining a Sub-Projects requires submitting an issue in the main project to obtain a vote of approval from the TSC committee. Similarly, significant actions such as project archiving also require the consent of the TSC committee
 
 The submission process starts as a Pull Request or Issue on the
 [cubefs/cubefs](https://github.com/cubefs/cubefs) repository with the required information
 mentioned above. Once a project is accepted, it's considered a __sub-project under the umbrella of CubeFS__.
 
+## Peripheral Projects
+
+Besides the main project CubeFS and its sub projects, other projects within the repository exist as peripheral projects.
+
+The CubeFS organization is open to receive new peripheral projects under its umbrella. To accept a project
+into the __CubeFS__ organization, it has to meet the following criteria:
+
+- Must be licensed under the terms of the Apache License v2.0
+- Must be related to one or more scopes of the CubeFS ecosystem:
+  - CubeFS project artifacts (website, deployments, CI, etc)
+  - External plugins
+  - Other storage related topics
+- Peripheral-projects can have their own repositories but follow the same governance mechanism as the main project
+- Joining a Peripheral Project requires submitting an issue in the main project to obtain a vote of approval from the TSC committee. Similarly, significant actions such as project archiving also require the consent of the TSC committee
+
 ## Product Security Committee(PSC)
 
 The [Product Security Committee](https://github.com/cubefs/cubefs/blob/master/security/security-release-process.md#product-security-committee) is responsible for organizing the entire response including internal communication and external disclosure but will need help from relevant developers and release leads to successfully run this process.

GOVERNANCE_CN.md

@@ -263,15 +263,30 @@ CubeFS 的子项目与主项目密切相关，作为必要的补充，需要在
 CubeFS 组织欢迎接收新的子项目加入其范围。要接受一个项目进入 __CubeFS__ 组织，必须满足以下标准：
 
 - 必须根据 Apache 许可证 v2.0 的条款进行许可。
-- 必须与 CubeFS 生态系统的一个或多个范围相关：
+- 必须与 CubeFS 生态系统的一个或多个范围紧密相关，并且被CubeFS依赖：
   - CubeFS 项目工件（网站、部署、CI 等）
   - 外部插件
   - 其他与存储相关的主题
 - 必须由与子项目作者无关的维护者支持。
 - 子项目可以拥有自己的代码库，但需遵循与主项目相同的治理机制。
+- 加入外围项目需要在主项目中提交 issue，以获得 TSC 委员会的投票认可。同样，诸如项目归档等重大操作也需要经过 TSC 委员会的同意。
 
 提交过程以 Pull Request 或 Issue 的形式开始，需在 [cubefs/cubefs](https://github.com/cubefs/cubefs) 仓库中提供上述所需信息。一旦项目被接受，便视为 __CubeFS__ 旗下的一个子项目。
 
+## 外围项目
+
+除了主项目 CubeFS 及其子项目，其他仓库内的项目作为外围项目存在。
+
+CubeFS 组织欢迎在其框架下接收新的外围项目。要将一个项目纳入 __CubeFS__ 组织，必须满足以下标准：
+
+- 必须在 Apache License v2.0 的条款下获得许可
+- 必须与 CubeFS 生态系统的一个或多个范围相关
+  - CubeFS 项目工件（网站、部署、CI 等）
+  - 外部插件
+  - 其他与存储相关的主题
+- 子项目可以拥有自己的仓库，但需遵循与主项目相同的治理机制
+- 加入外围项目需要在主项目中提交 issue，以获得 TSC 委员会的投票认可。同样，诸如项目归档等重大操作也需要经过 TSC 委员会的同意。
+
 ## 产品安全委员会 (PSC)
 
 [产品安全委员会](https://github.com/cubefs/cubefs/blob/master/security/security-release-process.md#product-security-committee) 负责组织整个响应，包括内部沟通和外部披露，但需要相关开发人员和发布负责人提供帮助，以成功运行此过程。