Add comprehensive repository documentation with bilingual README (#34)

* Initial plan

* Create comprehensive README.md with complete project documentation

Co-authored-by: JusterZhu <11714536+JusterZhu@users.noreply.github.com>

* Add Chinese version of README (README_zh.md)

Co-authored-by: JusterZhu <11714536+JusterZhu@users.noreply.github.com>

* Fix URL typo: quikstart -> quickstart in documentation links

Co-authored-by: JusterZhu <11714536+JusterZhu@users.noreply.github.com>

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Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: JusterZhu <11714536+JusterZhu@users.noreply.github.com>

Author: Copilot