feat(web): use REST API endpoint to create user

packages/web/src/hooks/useAdminCreateUser.js

@@ -0,0 +1,21 @@
+import { useMutation, useQueryClient } from '@tanstack/react-query';
+import api from 'helpers/api';
+
+export default function useAdminCreateUser() {
+  const queryClient = useQueryClient();
+
+  const query = useMutation({
+    mutationFn: async (payload) => {
+      const { data } = await api.post('/v1/admin/users', payload);
+
+      return data;
+    },
+    onSuccess: () => {
+      queryClient.invalidateQueries({
+        queryKey: ['admin', 'users'],
+      });
+    },
+  });
+
+  return query;
+}