chore: Release v2.8.0

Major feature release with enhanced code analysis and documentation.

Features:
- C3.9: Project documentation extraction
- Granular AI enhancement control (--enhance-level 0-3)
- C# language support for test extraction
- 6-12x faster parallel LOCAL mode AI enhancement
- Auto-enhancement and LOCAL mode fallbacks
- GLM-4.7 and custom Claude-compatible API support

Bug Fixes:
- Fixed C# test extraction language errors
- Fixed config type field mismatch
- Fixed LocalSkillEnhancer import issues
- Fixed critical linter errors

Contributors:
- @xuintl - Chinese README improvements
- @Zhichang Yu - GLM-4.7 support and PDF fixes
- @YusufKaraaslanSpyke - Core features and maintenance

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

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "skill-seekers"
-version = "2.7.4"
+version = "2.8.0"
 description = "Convert documentation websites, GitHub repositories, and PDFs into Claude AI skills. International support with Chinese (简体中文) documentation."
 readme = "README.md"
 requires-python = ">=3.10"