优化

website/docs/contribution/_category_.json

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+{
+  "label": "Contribution",
+  "position": 90
+}

website/docs/contribution/community.md

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+---
+sidebar_position: 99
+title: Ecology & Community
+---
+
+`Tailchat` is a very open platform and welcomes contributions in any form from everyone. Here are some third-party resources related to `Tailchat`
+
+Feel free submit `pr/issue` to submit your contribution to `Tailchat`, so that we can include it in the following list:
+
+## Exchange community
+
+[Join TailchatNightly Channel](https://nightly.paw.msgbyte.com/invite/8Jfm1dWb)
+
+## Project/Code
+
+- [Tailchat-Assistant](https://git.povario.com/powermaker450/Tailchat-Assistant): Tailchat Assistant is your very own AI-powered chat bot, ready to implement into your guild!
+
+
+## Video
+
+- [【好玩儿的Docker项目】激情畅聊！十分钟搭建一个插件化易拓展的开源即时聊天（IM）应用——Tailchat](https://www.bilibili.com/video/BV1aG411u7M8/)
+- [简单搭建插件化易拓展的开源即时聊天（IM）应用——Tailchat](https://www.bilibili.com/video/BV1UN4y117M8/)
+
+## Article
+
+- [【好玩儿的Docker项目】激情畅聊！十分钟搭建一个插件化易拓展的开源即时聊天（IM）应用——Tailchat](https://blog.laoda.de/archives/docker-compose-install-tailchat)
+- [Tailchat Synology deployment record](/blog/2023/03/27/deploy-in-synology)
+- [微信公众号: 重磅推荐：一个开源的即时通讯应用 Tailchat(from GitHub黑板报)](https://mp.weixin.qq.com/s/uImzeb_EQdQcm9LGGwGYuw)

website/docs/contribution/dev/_category_.json

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+{
+  "label": "Development Documentation",
+  "position": 2
+}

website/docs/contribution/dev/role.md

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+---
+sidebar_position: 1
+title: Identity Groups and Permissions
+---
+
+Identity groups are a form of dividing user authority points in group management (RBAC).
+
+An identity group is composed of a series of permission point switches, and a user may be composed of multiple identity groups. For example, identity group A has A permission, and identity group B has B permission. User C in group A and identity group B has permission A and permission B. In order to simplify the design of permissions, permission points are implemented through simple `true/false`
+
+More about `RBAC` can be found in the related wiki: https://en.wikipedia.org/wiki/Role-based_access_control I won’t go into details here.
+
+The following mainly talks about how to add/modify permission points in `Tailchat`
+
+
+## Built-in permissions
+
+Permission points need to be declared on both the front-end and back-end at the same time. The front-end is responsible for the display of the front-end, and the back-end is responsible for the comprehensive permission verification. If there is no permission, the processing interface should directly throw an error.
+
+### Frontend Management
+
+The permission point list of the front end is maintained in `client/shared/utils/role-helper.ts`, including the permission point of the permission point, such as:
+
+
+```tsx
+export const PERMISSION = {
+  /**
+   * Non-plugin permission points are called core
+   */
+  core: {
+    message: 'core.message',
+  },
+};
+```
+
+And the display of the permission point on the management page:
+
+```tsx
+export const getPermissionList = (): PermissionItemType[] => [
+  {
+    key: PERMISSION.core.message,
+    title: t('Send Message'),
+    desc: t('Allow members to send messages in text channel'),
+    default: true,
+  }
+];
+```
+
+The way to use it is to obtain the permission points maintained under the group through hooks:
+
+```tsx
+const [allowSendMessage] = useHasGroupPermission(groupId, [
+  PERMISSION.core.message,
+]);
+```
+
+The way of using arrays is convenient for some business logics that need to have multiple permission points.
+
+
+### Backend
+
+The permission statement of the backend is maintained in `server/packages/sdk/src/services/lib/role.ts`, and the usage method is very simple. as follows:
+```ts
+const [hasPermission] = await call(ctx).checkUserPermissions(
+  groupId,
+  userId,
+  [PERMISSION.core.message]
+);
+if (!hasPermission) {
+  throw new NoPermissionError(t('no operation permission'));
+}
+```
+
+
+## Plugin permissions
+
+TODO

website/docs/contribution/guide.md

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+---
+sidebar_position: 1
+title: Contribution Guidelines
+---
+
+`Tailchat` is a very open project and welcomes contributions of any kind from all backgrounds. Its plugin architecture is meant to allow `Tailchat` to host the implementation of any idea.
+
+We hope that `Tailchat` is not just a simple chat application, but a space to connect different tools and different ideas.
+
+Github link: https://github.com/msgbyte/tailchat
+
+-----------
+
+Contributor roles are currently urgently needed for `Tailchat`:
+
+
+### Front-end plugin developer
+
+- Familiar with the use of React
+- Possess certain abstract thinking
+- Have basic aesthetic ability
+- Passionate about open source projects
+
+### Backend plugin developers
+
+- Familiar with the use of Nodejs
+- Have a basic understanding of microservices
+- Passionate about open source projects
+
+### electron application developer
+
+- Understand cross-platform development
+- Familiar with code injection, able to realize data interaction between render process and main
+- Passionate about open source projects
+
+### React Native App Developers
+
+- Familiar with the development of React Native applications
+- Familiar with the use of React Native Web
+- Passionate about open source projects
+
+### Operation Classmates
+
+- Understand basic operational capabilities and have experience as a group leader
+- Understand the publicity channels and methods of open source projects
+- Strong communication skills
+- Passionate about open source projects
+
+### Ambassador
+
+- Master the mother tongue and English (if English is the mother tongue, only English is enough)
+- Have a certain understanding of the open source community
+- Participate in the development of Tailchat usage and best practices
+- Strong communication skills
+- Passionate about open source projects
+
+### other
+
+More of all possibilities...
+
+
+:::info
+Contact: Send an email to `moonrailgun@gmail.com` or [Join TailchatNightly Channel](https://nightly.paw.msgbyte.com/invite/8Jfm1dWb)
+:::