LinkFooter: add /soapbox/config link back

app/soapbox/features/ui/components/link_footer.tsx

@@ -50,6 +50,9 @@ const LinkFooter: React.FC = (): JSX.Element => {
           {features.federating && (
             <FooterLink to='/domain_blocks'><FormattedMessage id='navigation_bar.domain_blocks' defaultMessage='Domain blocks' /></FooterLink>
           )}
+          {account.admin && (
+            <FooterLink to='/soapbox/config'><FormattedMessage id='navigation_bar.soapbox_config' defaultMessage='Soapbox config' /></FooterLink>
+          )}
           {account.locked && (
             <FooterLink to='/follow_requests'><FormattedMessage id='navigation_bar.follow_requests' defaultMessage='Follow requests' /></FooterLink>
           )}