Replaced Vite proxy with SvelteKit API route

src/routes/api/[...path]/+server.js

@@ -0,0 +1,9 @@
+export async function GET({ params, url }) {
+  const res = await fetch(`http://37100lab.it:8101/api/${params.path}${url.search}`);
+  return new Response(res.body, {
+    status: res.status,
+    headers: {
+      'content-type': res.headers.get('content-type') ?? 'application/json',
+    },
+  });
+}