Link to main page from registration header.

src/components/RegistrationHeader.tsx

@@ -1,4 +1,5 @@
 import { FormattedMessage } from 'react-intl';
+import { Link } from 'react-router-dom';
 import { DateAndPlace } from './DateAndPlace';
 import { Diamond } from './Diamond';
 import './RegistrationHeader.scss';
@@ -7,9 +8,11 @@ export const RegistrationHeader = () => {
   return (
     <header className='App-header'>
       <h1>
+        <Link to='/'>
           <FormattedMessage id='common.lintu' />
           <span> &amp; </span>
           <FormattedMessage id='common.maslo' />
+        </Link>
       </h1>
       <Diamond />
       <DateAndPlace size='small' />