Format all files with no breaking changes

Lint all files using `npm run lint -- --fix`.
Format all files using `prettier --write "**/*.{ts,tsx,js,jsx,json}"`

No breaking change, only code style is modified.

Gitlab: #29
Change-Id: I4f034a7fb4d3eea10bcd3e38b44a65a1046de62f
diff --git a/client/src/components/Header.js b/client/src/components/Header.js
index 0c3eda4..165ff1b 100644
--- a/client/src/components/Header.js
+++ b/client/src/components/Header.js
@@ -1,35 +1,30 @@
-import { useState } from 'react'
-import { Box, Button, Menu, MenuItem } from '@mui/material'
-import { useNavigate, useParams } from "react-router-dom"
-import authManager from '../AuthManager'
+import { useState } from 'react';
+import { Box, Button, Menu, MenuItem } from '@mui/material';
+import { useNavigate, useParams } from 'react-router-dom';
+import authManager from '../AuthManager';
 
 export default function Header() {
-  const navigate = useNavigate()
-  const [anchorEl, setAnchorEl] = useState(null)
-  const handleClick = (event) => setAnchorEl(event.currentTarget)
-  const handleClose = () => setAnchorEl(null)
-  const params = useParams()
+  const navigate = useNavigate();
+  const [anchorEl, setAnchorEl] = useState(null);
+  const handleClick = (event) => setAnchorEl(event.currentTarget);
+  const handleClose = () => setAnchorEl(null);
+  const params = useParams();
 
-  const goToAccountSelection = () => navigate(`/account`)
-  const goToContacts = () => navigate(`/Contacts`)
-  const goToAccountSettings = () => navigate(`/account/${params.accountId}/settings`)
+  const goToAccountSelection = () => navigate(`/account`);
+  const goToContacts = () => navigate(`/Contacts`);
+  const goToAccountSettings = () => navigate(`/account/${params.accountId}/settings`);
 
   return (
     <Box>
       <Button aria-controls="simple-menu" aria-haspopup="true" onClick={handleClick}>
         Menu
       </Button>
-      <Menu
-        id="simple-menu"
-        anchorEl={anchorEl}
-        open={Boolean(anchorEl)}
-        onClose={handleClose}
-      >
+      <Menu id="simple-menu" anchorEl={anchorEl} open={Boolean(anchorEl)} onClose={handleClose}>
         <MenuItem onClick={goToAccountSelection}>Change account</MenuItem>
         <MenuItem onClick={goToContacts}>Contacts</MenuItem>
         {params.accountId && <MenuItem onClick={goToAccountSettings}>Account settings</MenuItem>}
         <MenuItem onClick={() => authManager.disconnect()}>Log out</MenuItem>
       </Menu>
-      </Box>
-  )
-}
\ No newline at end of file
+    </Box>
+  );
+}