Sort imports from all files

Add "prettier" script in `package.json` to check if all files are
compliant.

Sort all imports and format all files by running `npm run lint -- --fix`
followed by `npm run prettier -- --write`.

Gitlab #29

Change-Id: Id80402d1344c3bc611f66a46cffeee5f2c375bd8
diff --git a/client/src/pages/loginDialog.jsx b/client/src/pages/loginDialog.jsx
index 9a7ff0c..34070d7 100644
--- a/client/src/pages/loginDialog.jsx
+++ b/client/src/pages/loginDialog.jsx
@@ -1,15 +1,14 @@
-import { Component } from 'react';
-
 import Button from '@mui/material/Button';
-import TextField from '@mui/material/TextField';
-import FormControlLabel from '@mui/material/FormControlLabel';
 import Checkbox from '@mui/material/Checkbox';
-import Link from '@mui/material/Link';
-import Typography from '@mui/material/Typography';
-import DialogTitle from '@mui/material/DialogTitle';
 import Dialog from '@mui/material/Dialog';
 import DialogActions from '@mui/material/DialogActions';
 import DialogContent from '@mui/material/DialogContent';
+import DialogTitle from '@mui/material/DialogTitle';
+import FormControlLabel from '@mui/material/FormControlLabel';
+import Link from '@mui/material/Link';
+import TextField from '@mui/material/TextField';
+import Typography from '@mui/material/Typography';
+import { Component } from 'react';
 
 import authManager from '../AuthManager';