try fix linter problems

frontend/frontend/src/pages/Home/stages/Theme.js

@@ -4,7 +4,7 @@ import React from 'react';
 import PropTypes from 'prop-types';
 
 import { Card } from '../../../components';
-import themes from '../../../themes';
+import { themes } from '../../../themes';
 
 const ThemeStage = ({ theme, setTheme, fullSuffix }) => {
   return (

frontend/frontend/src/themes.js

@@ -1,5 +1,7 @@
 // For now this is simply a manual copy of https://github.com/anuraghazra/github-readme-stats/blob/master/themes/index.js .
 // This should be improved later.
+/* eslint-disable prettier/prettier */
+
 export const themes = {
   default: {
     title_color: "2f80ed",