feat: tooltip foundation (#2950)

* feat: add foundation for tooltips

* fix: add lang

* refactor: remove React import where no longer necessary

src/components/Settings/Notifications/NotificationsEmail.tsx

@@ -1,7 +1,8 @@
 import { BeakerIcon, SaveIcon } from '@heroicons/react/outline';
 import axios from 'axios';
 import { Field, Form, Formik } from 'formik';
-import React, { useState } from 'react';
+
+import { useState } from 'react';
 import { defineMessages, useIntl } from 'react-intl';
 import { useToasts } from 'react-toast-notifications';
 import useSWR, { mutate } from 'swr';