feat: 新增管理端demo代码

feat: 补充遗漏的文件

fix: 移除license

magic-admin/server/src/sequelize/index.ts

@@ -0,0 +1,41 @@
+/*
+ * Tencent is pleased to support the open source community by making MagicEditor available.
+ *
+ * Copyright (C) 2021 THL A29 Limited, a Tencent company.  All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { Sequelize } from 'sequelize-typescript';
+
+import sqlConf from '@src/config/database';
+import models from '@src/models/index';
+// 数据库初始化
+export default class SequelizeHelper {
+  private static instance;
+  public static getInstance() {
+    if (!SequelizeHelper.instance) {
+      const sequelize = new Sequelize(sqlConf.database, sqlConf.user, sqlConf.password, {
+        host: sqlConf.host,
+        port: sqlConf.port,
+        dialect: 'mysql',
+        define: {
+          timestamps: false,
+        },
+      });
+      sequelize.addModels(models);
+      SequelizeHelper.instance = sequelize;
+    }
+    return SequelizeHelper.instance;
+  }
+}