chore: bundle 404 to dist (#8)

Author: zeevenn

vite.config.ts

@@ -5,4 +5,12 @@ import tailwindcss from '@tailwindcss/vite'
 // https://vite.dev/config/
 export default defineConfig({
   plugins: [react(), tailwindcss()],
+  build: {
+    rollupOptions: {
+      input: {
+        main: './index.html',
+        404: './404.html'
+      }
+    }
+  }
 })