chore(config): 添加项目配置文件和隐私协议

- 新增 .editorconfig 文件统一代码风格配置
- 新增 .env 环境变量配置文件
- 添加开发和生产环境的环境变量配置
- 配置 ESLint 忽略规则文件
- 设置代码检查配置文件 .eslintrc.js
- 添加 Git 忽略文件规则
- 创建 Prettier 格式化忽略规则
- 添加隐私政策和服务协议HTML文件
- 实现访问密钥编辑组件基础结构

public/tinymce/skins/ui/oxide/skin.shadowdom.min.css

@@ -0,0 +1,7 @@
+/**
+ * Copyright (c) Tiny Technologies, Inc. All rights reserved.
+ * Licensed under the LGPL or a commercial license.
+ * For LGPL see License.txt in the project root for license information.
+ * For commercial licenses see https://www.tiny.cloud/
+ */
+body.tox-dialog__disable-scroll{overflow:hidden}.tox-fullscreen{border:0;height:100%;margin:0;overflow:hidden;-ms-scroll-chaining:none;overscroll-behavior:none;padding:0;touch-action:pinch-zoom;width:100%}.tox.tox-tinymce.tox-fullscreen .tox-statusbar__resize-handle{display:none}.tox-shadowhost.tox-fullscreen,.tox.tox-tinymce.tox-fullscreen{left:0;position:fixed;top:0;z-index:1200}.tox.tox-tinymce.tox-fullscreen{background-color:transparent}.tox-fullscreen .tox.tox-tinymce-aux,.tox-fullscreen~.tox.tox-tinymce-aux{z-index:1201}