generate sourcemap for the app (#232)

Author: severo

vite.config.ts

@@ -4,5 +4,8 @@ import { defineConfig } from 'vite'
 // https://vite.dev/config/
 export default defineConfig({
   plugins: [react()],
+  build: {
+    sourcemap: true,
+  },
   test: { environment: 'jsdom', globals: true },
 })