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.

tsconfig.main.json

@@ -0,0 +1,10 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "module": "CommonJS",
+    "outDir": "dist/main",
+    "rootDir": "src/main",
+    "types": ["node"]
+  },
+  "include": ["src/main/**/*", "src/shared/**/*"]
+}