Email fix.

frontend/rollup.config.js

@@ -60,7 +60,7 @@ export default {
     buble({jsx: 'h', objectAssign: 'Object.assign'}),
     resolve({}),
     license({
-      banner: 'Copyright (C) Stanislaw Adaszewski, 2020.\nContact: stanislaw.adaszewski@gmail.com\nAll Rights Reserved.',
+      banner: 'Copyright (C) Stanislaw Adaszewski, 2020.\nContact: s.adaszewski@gmail.com\nAll Rights Reserved.',
     }),
     // uglify()
   ]