feat: add Card and Progress components, utility functions, and improve styles

- Introduced Card component with CardHeader, CardTitle, and CardContent subcomponents for better UI structure.
- Added Progress component to visually represent progress with customizable thresholds.
- Created utility function `cn` for conditional class names using clsx and tailwind-merge.
- Updated styles to integrate Tailwind CSS and improved base styles for better consistency.
- Configured Tailwind CSS for dark mode and extended theme with custom fonts and animations.
- Added TypeScript configuration for better type safety and module resolution.
- Enhanced Vite configuration with path aliasing for cleaner imports.
- Updated Wails backend definitions to include new process detail and GPU process info structures.

frontend/tailwind.config.cjs

@@ -1,11 +1,17 @@
+/** @type {import('tailwindcss').Config} */
 module.exports = {
+  darkMode: ['class'],
   content: ['./index.html', './src/**/*.{ts,tsx}'],
   theme: {
     extend: {
-      colors: {
-        neon: '#39ff14'
-      }
-    }
+      fontFamily: {
+        sans: ['Inter', 'ui-sans-serif', 'system-ui', 'sans-serif'],
+        mono: ['JetBrains Mono', 'ui-monospace', 'monospace'],
+      },
+      animation: {
+        'pulse-slow': 'pulse 3s cubic-bezier(0.4, 0, 0.6, 1) infinite',
+      },
+    },
   },
-  plugins: []
+  plugins: [],
 }