feat(client): check in

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

client/src/hooks/data/useCheckin.ts

@@ -0,0 +1,10 @@
+import { useMutation } from '@tanstack/react-query';
+import { axiosClient } from '@/lib/axios';
+
+export function useCheckin() {
+  return useMutation({
+    mutationFn: async () => {
+      return axiosClient.post<object>('/checkin');
+    },
+  });
+}