Feature/milestone text

[shufufufu]

[中文版模板 / Chinese template]

🤔 This is a ...

• [x] New feature
• [ ] Bug fix
• [ ] TypeScript definition update
• [ ] Bundle size optimization
• [ ] Performance optimization
• [ ] Enhancement feature
• [ ] Refactoring
• [ ] Update dependency
• [ ] Code style optimization
• [ ] Test Case
• [ ] Branch merge
• [ ] Site / documentation update
• [ ] Demo update
• [ ] Workflow
• [ ] Chore
• [ ] Release
• [ ] Other (about what?)

🔗 Related issue link

• Feat: #3579

💡 Background and solution

由于里程碑是旋转了 45° 的正方形，所以不能在此基础上设置文字，因为会跟着旋转，选择使用一个文字容器分层然后定位

📝 Changelog

Language	Changelog
🇺🇸 English	✅
🇨🇳 Chinese

☑️ Self-Check before Merge

⚠️ Please check all items below before requesting a reviewing. ⚠️

• [x] Doc is updated/provided or not needed
• [x] Demo is updated/provided or not needed
• [x] TypeScript definition is updated/provided or not needed
• [x] Changelog is provided or not needed

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🚀 Summary

copilot:summary

🔍 Walkthrough

copilot:walkthrough