chore: separate frontend from backend

app/composables/useBackend.ts

@@ -0,0 +1,8 @@
+export const useBackend = () => {
+  const api = useApi();
+
+  const getMeta = () => api.get<MetaResponse>('/meta');
+  const postContact = (contact: ContactRequest) => api.post<ContactRequest, ContactResponse>('/contact', contact);
+
+  return { getMeta, postContact };
+};