feat: add full Russian language support; update Readme.md files, and .gitignore update (#514)

* feat: add Russian locale

- Add ru translations and register namespaces

- Add Russian to supported languages list

- Ignore .gemini workspace config

* fix: improve Russian plural forms in sidebar translations

Add proper Russian plural forms (few/many) for correct grammar with different count values

* docs(readme): add Russian translation and fix language switcher order

- Create README.ru.md based on the current English README.
- Update language switchers in all localized README files so
    English comes first, Russian second, and the remaining
    languages follow.
- Fix the issue where the current language was not shown
    correctly in the switcher for some localized README files

* fix(readme): fix language switcher positions and markdown issues

- Fix language switcher positions in README.md.
- Add bash language tags to command code blocks in README.ru.md.

* fix(readme): fix tool setup step numbering

- Fix tool setup step numbering in README.md and localized README files.

* fix(gitignore): allow translation task files to be tracked

Add exceptions to .gitignore for task translation files across multiple locales
(en, ja, ru, ko, zh-CN) to enable version control of translated content while
keeping generated task files ignored.

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>

* feat(i18n): add Russian translation for tasks

Add Russian locale translation file for TaskMaster task management interface.

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>

* fix: ignore missing tasks.json files for ko and zh-cn locales

* Delete .worktrees directory

---------

Co-authored-by: Claude Haiku 4.5 <noreply@anthropic.com>

README.ko.md

@@ -6,7 +6,7 @@
 
 [Claude Code](https://docs.anthropic.com/en/docs/claude-code), [Cursor CLI](https://docs.cursor.com/en/cli/overview) 및 [Codex](https://developers.openai.com/codex)를 위한 데스크톱 및 모바일 UI입니다. 로컬 또는 원격으로 사용하여 Claude Code, Cursor 또는 Codex의 활성 프로젝트와 세션을 확인하고, 어디서든(모바일 또는 데스크톱) 변경할 수 있습니다. 어디서든 작동하는 적절한 인터페이스를 제공합니다.
 
-<div align="right"><i><a href="./README.md">English</a> · <a href="./README.zh-CN.md">中文</a> · <a href="./README.ja.md">日本語</a></i></div>
+<div align="right"><i><a href="./README.md">English</a> · <a href="./README.ru.md">Русский</a> · <b>한국어</b> · <a href="./README.zh-CN.md">中文</a> · <a href="./README.ja.md">日本語</a></i></div>
 
 ## 스크린샷
 
@@ -193,8 +193,8 @@ npm run dev
 Claude Code의 전체 기능을 사용하려면 수동으로 도구를 활성화해야 합니다:
 
 1. **도구 설정 열기** - 사이드바의 톱니바퀴 아이콘을 클릭
-3. **선택적으로 활성화** - 필요한 도구만 활성화
-4. **설정 적용** - 환경설정은 로컬에 저장됩니다
+2. **선택적으로 활성화** - 필요한 도구만 활성화
+3. **설정 적용** - 환경설정은 로컬에 저장됩니다
 
 <div align="center">