improve:删除旧的 Bug 报告和功能请求模板，添加新的 .yml 格式模板以方便用户填写

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -0,0 +1,37 @@
+name: 功能请求 | Feature Request
+description: 提出你对本项目的功能建议 | Suggest an idea for this project
+labels: [enhancement]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        感谢你的建议！请详细描述你的需求。
+        Thank you for your suggestion! Please describe your needs in detail.
+  - type: textarea
+    id: description
+    attributes:
+      label: 功能描述 | Description
+      description: 请描述你希望添加的功能 | Describe the feature you want
+    validations:
+      required: true
+  - type: textarea
+    id: motivation
+    attributes:
+      label: 需求动机 | Motivation
+      description: 为什么需要这个功能？| Why do you need this feature?
+    validations:
+      required: false
+  - type: textarea
+    id: design
+    attributes:
+      label: 期望设计 | Expected Design
+      description: （可选）描述或画出你期望的界面或交互 | (Optional) Describe or sketch the expected UI/UX
+    validations:
+      required: false
+  - type: textarea
+    id: extra
+    attributes:
+      label: 其他补充信息 | Additional Info
+      description: 其他补充说明或建议 | Any other context or suggestions
+    validations:
+      required: false