feat(tauri): 添加自定义标题栏和窗口控制功能

- 在布局中引入 Header 组件并渲染
- 设置页面 SSR 为 false 并启用预渲染
- 更新应用 CSS 样式，设置背景色和尺寸- 配置 Tauri 权限以支持窗口操作
- 新增 Header 组件实现窗口最小化、最大化和关闭功能- 安装 @tauri-apps/api 依赖并更新 package.json 和 lock 文件
- 修改 README 内容为 IT Tools项目简介
- 更新 Tauri 配置文件中的产品标识和构建路径

package-lock.json

@@ -7,6 +7,9 @@
 		"": {
 			"name": "it-tools",
 			"version": "0.0.1",
+			"dependencies": {
+				"@tauri-apps/api": "^2.9.0"
+			},
 			"devDependencies": {
 				"@sveltejs/adapter-static": "^3.0.10",
 				"@sveltejs/kit": "^2.47.1",
@@ -1209,6 +1212,16 @@
 				"vite": "^5.2.0 || ^6 || ^7"
 			}
 		},
+		"node_modules/@tauri-apps/api": {
+			"version": "2.9.0",
+			"resolved": "https://registry.npmmirror.com/@tauri-apps/api/-/api-2.9.0.tgz",
+			"integrity": "sha512-qD5tMjh7utwBk9/5PrTA/aGr3i5QaJ/Mlt7p8NilQ45WgbifUNPyKWsA63iQ8YfQq6R8ajMapU+/Q8nMcPRLNw==",
+			"license": "Apache-2.0 OR MIT",
+			"funding": {
+				"type": "opencollective",
+				"url": "https://opencollective.com/tauri"
+			}
+		},
 		"node_modules/@tauri-apps/cli": {
 			"version": "2.9.2",
 			"resolved": "https://registry.npmmirror.com/@tauri-apps/cli/-/cli-2.9.2.tgz",