Fetch and save user token

src/components/AuthUser/AuthUser.tsx

-import React from 'react';
+import React, { FC, useEffect } from 'react';
 import Container from '@material-ui/core/Container';
 import { LoginForm } from './LoginForm/LoginForm';
 
-export const AuthUser: React.FC = () => (
-  <Container maxWidth="sm">
-    <LoginForm />
-  </Container>
-);
+export const AuthUser: FC = () => {
+  useEffect(() => {
+    fetch('/api/web/csrf')
+      .then((response) => response.json())
+      .then((data) => sessionStorage.setItem('token', data.token));
+  }, []);
+  return (
+    <Container maxWidth="sm">
+      <LoginForm />
+    </Container>
+  );
+};