fix: Create a client config function that is retrieved when app is loading (#496)

* fix: Create a client config function that is retrieved when app is loaded

* update index.tsx

* fixed linter issues

front/src/modules/auth/hooks/useFetchClientConfig.ts

@@ -0,0 +1,7 @@
+import { useGetClientConfigQuery } from '~/generated/graphql';
+
+export function useFetchClientConfig() {
+  const { data } = useGetClientConfigQuery();
+
+  return data?.clientConfig;
+}