chore: create pull_request_template.md

.github/pull_request_template.md

@@ -0,0 +1,26 @@
+---
+name: Feature
+about: A template for submitting a new feature.
+
+---
+
+# Description (需求描述)
+Describe the new feature or modification to an existing feature clearly and consciously.
+
+# Motivation (需求背景)
+Explain the reason for adding or modifying this feature.
+
+# Key changes (关键改动）
+Provide a technically detailed description of the key changes made.
+- Frontend (前端)
+- Backend (后端)
+
+# Test plan (测试计划)
+## Suggestions (测试建议)
+Provide any suggestions or recommendations for improvements in the testing plan.
+
+## Underlying risk (潜在风险)
+Identify any potential risks or issues that may arise from the new feature or modification.
+
+# Showcase (结果展示）
+Including any screenshots of the new feature or modification.