feat: add frontend development guidelines and structure documentation

- Introduced API guidelines for interface contracts and request handling.
- Added design tokens usage guidelines for consistent styling across the project.
- Established DTO guidelines for defining request parameters and response data types.
- Created frontend structure guidelines to clarify directory organization and code placement rules.
- Compiled a comprehensive frontend development guideline document covering various aspects of the development process.
- Implemented quality guidelines to ensure code maintainability and adherence to best practices.

AI-RD-Workflow/30-templates/or.md

@@ -0,0 +1,34 @@
+---
+id: OR-yyyymmdd-nnn
+case_id: REQ-yyyymmdd-nnn-short-name
+type: objective-requirement
+stage: development-requirement
+owner_role: SE
+status: draft
+source_ids:
+  - UR-yyyymmdd-nnn
+  - RA-yyyymmdd-nnn
+  - SA-yyyymmdd-nnn
+derived_ids: []
+skill:
+  name: se-requirement-analysis
+  version: 0.1.0
+created: yyyy-mm-dd
+updated: yyyy-mm-dd
+---
+
+# OR：研发目标需求
+
+## 工程目标
+
+## 交付范围
+
+## 成功标准
+
+## 约束
+
+## 非目标
+
+## 风险
+
+## 来源映射