feat: tooltip foundation (#2950)

* feat: add foundation for tooltips

* fix: add lang

* refactor: remove React import where no longer necessary

src/components/Settings/SettingsNotifications.tsx

@@ -1,5 +1,5 @@
 import { CloudIcon, LightningBoltIcon, MailIcon } from '@heroicons/react/solid';
-import React from 'react';
+
 import { defineMessages, useIntl } from 'react-intl';
 import DiscordLogo from '../../assets/extlogos/discord.svg';
 import GotifyLogo from '../../assets/extlogos/gotify.svg';