chore: 初始化项目基础结构和资源文件

- 添加项目图标文件（app-icon.png、各平台图标）
- 配置开发环境文件（.env、.nvmrc、.npmrc）
- 添加静态资源文件（背景图片、字体、音频）
- 初始化Tauri后端结构（build.rs、main.rs、模块文件）
- 配置前端项目结构（TypeScript、Vue组件、样式）
- 添加Node.js API服务基础结构
- 配置构建和开发工具（vite、prettier、gitignore）

src-tauri/capabilities/default.json

@@ -0,0 +1,30 @@
+{
+  "$schema": "../gen/schemas-zh/desktop-schema.json",
+  "identifier": "default",
+  "description": "enables the default permissions",
+  "windows": ["main", "meeting", "meeting2", "popup", "float-list"],
+  "permissions": [
+    "core:default",
+    "core:window:allow-minimize",
+    "core:window:allow-maximize",
+    "core:window:allow-unmaximize",
+    "core:window:allow-is-maximized",
+    "core:window:allow-toggle-maximize",
+    "core:window:allow-is-fullscreen",
+    "core:window:allow-set-fullscreen",
+    "core:window:allow-start-dragging",
+    "core:window:allow-show",
+    "core:window:allow-hide",
+    "core:window:allow-close",
+    "core:window:allow-create",
+    "core:window:allow-set-size",
+    "core:window:allow-unminimize",
+    "core:window:allow-is-resizable",
+    "core:window:allow-set-position",
+    "core:webview:allow-create-webview",
+    "core:webview:allow-create-webview-window",
+    "core:webview:allow-set-webview-zoom",
+    "core:window:allow-set-always-on-top",
+    "core:window:allow-set-focus"
+  ]
+}