add SK

interface/src/components/layout/LayoutAuthMenu.tsx

@@ -12,13 +12,12 @@ import {
   MenuItem,
   TextField
 } from '@mui/material';
+import SKflag from 'i18n/SK.svg';
 import { useState, useContext } from 'react';
 import type { TypographyProps } from '@mui/material';
-
 import type { Locales } from 'i18n/i18n-types';
 import type { FC, ChangeEventHandler } from 'react';
 import { AuthenticatedContext } from 'contexts/authentication';
-
 import DEflag from 'i18n/DE.svg';
 import FRflag from 'i18n/FR.svg';
 import GBflag from 'i18n/GB.svg';
@@ -28,6 +27,7 @@ import NOflag from 'i18n/NO.svg';
 import PLflag from 'i18n/PL.svg';
 import SVflag from 'i18n/SV.svg';
 import TRflag from 'i18n/TR.svg';
+
 import { I18nContext } from 'i18n/i18n-react';
 import { loadLocaleAsync } from 'i18n/i18n-util.async';
 
@@ -110,6 +110,10 @@ const LayoutAuthMenu: FC = () => {
           <img src={TRflag} style={{ width: 16, verticalAlign: 'middle' }} />
           &nbsp;TR
         </MenuItem>
+        <MenuItem key="sk" value="tr">
+          <img src={SKflag} style={{ width: 16, verticalAlign: 'middle' }} />
+          &nbsp;SK
+        </MenuItem>
       </TextField>
 
       <IconButton