Docs/restructure site nav (#84)

* docs: restructure website navigation and content

- Remove deprecated docs: GeneralTracer, GeneralClient.OSS, GeneralUpdate.Maui.OSS (3 langs)
- Remove outdated guides: Architecture, Configuration, Driver, Pipeline, Security, Systemlog, System infomation (3 langs)
- Remove outdated quickstart: Advanced cookbook, Quik start (3 langs)
- Move GeneralUpdate.PacketTool from /doc to /quickstart (3 langs)
- Merge Sample UI into Beginner cookbook (3 langs)
- Rename /docs/guide to 帮助/Help (sidebar, _category_.json, i18n)
- Add 商务 navbar dropdown with GeneralSpacestation + software outsourcing page (3 langs)
- Add software outsourcing page (3 langs)
- Update releaselog with v10.5.0-beta.2 entry (3 langs)
- Update FAQ.md broken links to removed Architecture/Configuration/Pipeline/Security pages (3 langs)
- Streamline sidebars.js to 4 categories: Quick Start, Components, 帮助, Release Log

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

* fix: resolve Docusaurus broken links after site restructure

- Android auto-update (3 langs): replace deleted ./GeneralClient.OSS.md link
- Drivelution (en): replace deleted ../guide/Driver.md link
- PacketTool (3 langs): fix all ./ relative links → ../doc/ after move to quickstart/
- PacketTool (3 langs): remove references to deleted GeneralClient.OSS and Advanced cookbook

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

* fix: resolve remaining broken links to deleted Architecture and Quik start pages

- Packaging (source + en): replace ./Architecture.md and ../quickstart/Quik start links
- Core (source + en): replace ../guide/Architecture.md and ../quickstart/Quik start links
- Verified zero links to any deleted files across all .md files

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

* fix: zh-Hans Drivelution still had old Driver.md link

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

* fix: update Packaging links to PacketTool (moved doc→quickstart)

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

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Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>

Author: JusterZhu