init backend, added admin page in front

Signed-off-by: Nicolas Froger <nicolas@kektus.xyz>

summer2024-frontend/vite.config.js

@@ -22,5 +22,8 @@ export default defineConfig({
       //'@': fileURLToPath(new URL('./src', import.meta.url))
       '@': path.resolve(__dirname, './src'),
     }
+  },
+  server: {
+    cors: false
   }
 })