feat: 初始化考培练系统项目

- 从服务器拉取完整代码
- 按框架规范整理项目结构
- 配置 Drone CI 测试环境部署
- 包含后端(FastAPI)、前端(Vue3)、管理端

技术栈: Vue3 + TypeScript + FastAPI + MySQL

frontend/.prettierrc

@@ -0,0 +1,17 @@
+{
+  "semi": false,
+  "singleQuote": true,
+  "quoteProps": "as-needed",
+  "trailingComma": "none",
+  "bracketSpacing": true,
+  "bracketSameLine": false,
+  "arrowParens": "avoid",
+  "printWidth": 120,
+  "tabWidth": 2,
+  "useTabs": false,
+  "endOfLine": "lf",
+  "embeddedLanguageFormatting": "auto",
+  "vueIndentScriptAndStyle": false,
+  "htmlWhitespaceSensitivity": "css",
+  "proseWrap": "preserve"
+}