feat: initialize Tauri application with Preact framework

- Added main application logic in `src-tauri/src/lib.rs` and `src-tauri/src/main.rs`.
- Configured Tauri settings in `tauri.conf.json`.
- Created basic styling in `src/App.css`.
- Implemented main application component in `src/App.tsx` with greeting functionality.
- Included Preact logo in `src/assets/preact.svg`.
- Set up rendering in `src/main.tsx`.
- Defined TypeScript environment in `vite-env.d.ts` and configured TypeScript settings in `tsconfig.json` and `tsconfig.node.json`.
- Configured Vite for Tauri development in `vite.config.ts`.

tsconfig.json

@@ -0,0 +1,26 @@
+{
+  "compilerOptions": {
+    "target": "ES2020",
+    "useDefineForClassFields": true,
+    "module": "ESNext",
+    "lib": ["ES2020", "DOM", "DOM.Iterable"],
+    "skipLibCheck": true,
+
+    /* Bundler mode */
+    "moduleResolution": "bundler",
+    "allowImportingTsExtensions": true,
+    "resolveJsonModule": true,
+    "isolatedModules": true,
+    "noEmit": true,
+    "jsx": "react-jsx",
+    "jsxImportSource": "preact",
+
+    /* Linting */
+    "strict": true,
+    "noUnusedLocals": true,
+    "noUnusedParameters": true,
+    "noFallthroughCasesInSwitch": true
+  },
+  "include": ["src"],
+  "references": [{ "path": "./tsconfig.node.json" }]
+}