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`.

src-tauri/src/lib.rs

@@ -0,0 +1,14 @@
+// Learn more about Tauri commands at https://tauri.app/develop/calling-rust/
+#[tauri::command]
+fn greet(name: &str) -> String {
+    format!("Hello, {}! You've been greeted from Rust!", name)
+}
+
+#[cfg_attr(mobile, tauri::mobile_entry_point)]
+pub fn run() {
+    tauri::Builder::default()
+        .plugin(tauri_plugin_opener::init())
+        .invoke_handler(tauri::generate_handler![greet])
+        .run(tauri::generate_context!())
+        .expect("error while running tauri application");
+}

src-tauri/src/main.rs

@@ -0,0 +1,6 @@
+// Prevents additional console window on Windows in release, DO NOT REMOVE!!
+#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
+
+fn main() {
+    localaiapp_lib::run()
+}