[WIP] Add team collaboration development guide to Git chapter

[Copilot]

• Create a git chapter folder structure (e.g., 12.Git or similar)
• Create a team collaboration guide document with RPG MAKER game development examples
• Include practical git workflows (branching, merging, pull requests, conflict resolution)
• Add examples specific to game development scenarios
• Update docs/README.md to include the new git section
• Update docs/LEARNING_PATH.md to include git in the learning path
• Update main README.md to reference the git section
• Configure or verify GitHub Pages compatibility
• Test that the guide is accessible via GitHub Pages

Original prompt

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This section details on the original issue you should resolve

<issue_title>在git章節添加一份團隊協作開發指南</issue_title>
<issue_description>在git章節添加一份團隊協作開發指南，以RPG MAKER等遊戲開發為例，並且能夠在GitHub Pages顯示這篇指南(加入git相關教材列表之中)</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes 在git章節添加一份團隊協作開發指南 #8

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