Add comprehensive OAuth2 server documentation (#877)

* Add comprehensive documentation for OAuth2 server component

- Added detailed English documentation in docs/en/components/oauth2-server.md
- Added Chinese Simplified documentation in docs/zh-cn/components/oauth2-server.md
- Added Chinese Traditional (Hong Kong) documentation in docs/zh-hk/components/oauth2-server.md
- Added Chinese Traditional (Taiwan) documentation in docs/zh-tw/components/oauth2-server.md

Documentation includes:
- Complete installation and setup guide
- Configuration examples and environment variables
- All supported grant types with examples
- API endpoints and usage examples
- Available commands for client management
- Event system documentation
- Security best practices
- Testing guidelines
- Error handling reference

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

* Update docs and translate

* Add OAuth2 Server to sidebar navigation

- Added OAuth2 Server entry to English sidebar
- Added OAuth2 服务器 to Chinese Simplified sidebar
- Added OAuth2 服務器 to Chinese Traditional (Hong Kong) sidebar
- Added OAuth2 伺服器 to Chinese Traditional (Taiwan) sidebar

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

* Add local settings for Claude permissions

Introduces .claude/settings.local.json to specify allowed Bash commands for Claude, including git and GitHub CLI operations.

---------

Co-authored-by: Deeka Wong <8337659+huangdijia@users.noreply.github.com>
Co-authored-by: Claude <noreply@anthropic.com>

Author: huangdijia

.vitepress/src/en/sidebars.ts

@@ -141,6 +141,10 @@ const sidebar:DefaultTheme.Sidebar = {
                     text: 'Notification Mail',
                     link: '/en/components/notification-mail.md'
                 },
+                {
+                    text: 'OAuth2 Server',
+                    link: '/en/components/oauth2-server.md'
+                },
                 {
                     text: 'OpenAI Client',
                     link: '/en/components/openai-client.md'

.vitepress/src/zh-cn/sidebars.ts

@@ -154,6 +154,10 @@ const sidebar:DefaultTheme.Sidebar = {
                     text: 'Notification Mail',
                     link: '/zh-cn/components/notification-mail.md'
                 },
+                {
+                    text: 'OAuth2 服务器',
+                    link: '/zh-cn/components/oauth2-server.md'
+                },
                 {
                     text: 'OpenAI Client',
                     link: '/zh-cn/components/openai-client.md'

.vitepress/src/zh-hk/sidebars.ts

@@ -154,6 +154,10 @@ const sidebar:DefaultTheme.Sidebar = {
                     text: 'Notification Mail',
                     link: '/zh-hk/components/notification-mail.md'
                 },
+                {
+                    text: 'OAuth2 服務器',
+                    link: '/zh-hk/components/oauth2-server.md'
+                },
                 {
                     text: 'OpenAI Client',
                     link: '/zh-hk/components/openai-client.md'

.vitepress/src/zh-tw/sidebars.ts

@@ -154,6 +154,10 @@ const sidebar:DefaultTheme.Sidebar = {
                     text: 'Notification Mail',
                     link: '/zh-tw/components/notification-mail.md'
                 },
+                {
+                    text: 'OAuth2 伺服器',
+                    link: '/zh-tw/components/oauth2-server.md'
+                },
                 {
                     text: 'OpenAI Client',
                     link: '/zh-tw/components/openai-client.md'