feat: 新增管理端demo代码

feat: 补充遗漏的文件

fix: 移除license

magic-admin/package.json

@@ -0,0 +1,12 @@
+{
+  "name": "magic-admin",
+  "version": "1.0.0",
+  "description": "Magic Admin 可视化搭建平台管理端。magic-admin 为独立项目目录，分为 web 端和 server 端，请按照下面指引操作",
+  "main": "index.js",
+  "scripts": {
+    "init": "npm run web:install && npm run server:install",
+    "web:install": "cd web && npm install",
+    "server:install": "cd server && npm install"
+  },
+  "author": ""
+}