feat: 添加完整的前端管理系统 (VbenAdmin)

- 添加基于 VbenAdmin + Vue3 + Element Plus 的前端管理系统
- 包含完整的 UI 组件库和工具链
- 支持多应用架构 (web-ele, backend-mock, playground)
- 包含完整的开发规范和配置
- 修复 admin 目录的子模块问题，确保正确提交

admin/packages/effects/common-ui/src/components/captcha/hooks/useCaptchaPoints.ts

@@ -0,0 +1,19 @@
+import type { CaptchaPoint } from '../types';
+
+import { reactive } from 'vue';
+
+export function useCaptchaPoints() {
+  const points = reactive<CaptchaPoint[]>([]);
+  function addPoint(point: CaptchaPoint) {
+    points.push(point);
+  }
+
+  function clearPoints() {
+    points.splice(0);
+  }
+  return {
+    addPoint,
+    clearPoints,
+    points,
+  };
+}