refactor(client): use updated interface

Signed-off-by: Noa Virellia <noa@requiem.garden>

client/src/hooks/data/useCheckin.ts

@@ -4,7 +4,7 @@ import { axiosClient } from '@/lib/axios';
 export function useCheckin() {
   return useMutation({
     mutationFn: async () => {
-      return axiosClient.post<object>('/checkin');
+      return axiosClient.post<object>('/user/checkin');
     },
   });
 }