add redirect for envilab logo

src/components/Menu.js

@@ -11,7 +11,9 @@ const Menu = ({ changeTab }) => {
     <Box component="nav" aria-label="My site" sx={{ flexGrow: 1 }}>
       <List role="menubar" orientation="horizontal">
         <ListItem role="none">
-          <img src={enviLogo} alt="Logo of EnviLab" style={{ width: '180px', height: '50px' }} />
+          <a href='https://envilab.cerit-sc.cz/en-gb'>
+            <img src={enviLogo} alt="Logo of EnviLab" style={{ width: '180px', height: '50px' }} />
+          </a>
         </ListItem>
         <ListDivider />
         <ListItem role="none">