fix proxy + file upload

adapters/static/vite.config.ts

@@ -0,0 +1,19 @@
+import { staticAdapter } from "@builder.io/qwik-city/adapters/static/vite";
+import { extendConfig } from "@builder.io/qwik-city/vite";
+import baseConfig from "../../vite.config";
+
+export default extendConfig(baseConfig, () => {
+  return {
+    build: {
+      ssr: true,
+      rollupOptions: {
+        input: ["@qwik-city-plan"],
+      },
+    },
+    plugins: [
+      staticAdapter({
+        origin: "https://yoursite.qwik.dev",
+      }),
+    ],
+  };
+});