feat: add npm registry install method, update version to v2.1.62

- Add Method A (npm registry, recommended) with npm.sensey24.ru
- Rename old installer to Method B (backup)
- Add VERSION_BADGE markers for auto-update
- Update version badge to v2.1.62 (20 patches)

Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>

README.md

@@ -8,7 +8,7 @@ Patched AI coding tools for use with custom API endpoints.
 
 | Folder | Tool | Status |
 |--------|------|--------|
-| [claude/](claude/) | Claude Code | Active |
+| [claude/](claude/) | Claude Code | Active (v2.1.62) |
 | codex/ | OpenAI Codex CLI | Planned |
 | gemini/ | Gemini CLI | Planned |
 | qwen/ | Qwen Code | Planned |