feat: add core functionality for emulator management and game library

- Implement IPC handlers for system info, emulator management, ROM scanning, and settings.
- Create platform utilities to retrieve system information.
- Develop preload script to expose API to renderer process.
- Establish settings management with file read/write capabilities.
- Build main application layout with React, including sidebar navigation and multiple pages (Dashboard, Emulators, Library, Settings).
- Design and implement styles for a cohesive user interface.
- Add type definitions for shared data structures between main and renderer processes.
- Configure TypeScript and Vite for building the application.

vite.config.ts

@@ -0,0 +1,19 @@
+import { defineConfig } from 'vite';
+import react from '@vitejs/plugin-react';
+import path from 'path';
+
+export default defineConfig({
+  plugins: [react()],
+  root: 'src/renderer',
+  base: './',
+  build: {
+    outDir: '../../dist/renderer',
+    emptyOutDir: true,
+  },
+  resolve: {
+    alias: {
+      '@': path.resolve(__dirname, 'src/renderer'),
+      '@shared': path.resolve(__dirname, 'src/shared'),
+    },
+  },
+});