upgrade react to v19, migrate from CRA to Vite, add react compiler

electron/vite-config.js

@@ -0,0 +1,13 @@
+import { defineConfig } from 'vite';
+import path from 'path';
+
+export default defineConfig({
+  build: {
+    outDir: 'dist',
+    rollupOptions: {
+      input: {
+        main: path.resolve(__dirname, 'main.js'),
+      },
+    },
+  },
+});