Share the session across subdomains
Update README
Implement subdomain support
If the region is not specified as a subdomain then redirect to a subdomain, 'eu'
Restrict routes
Simplify routes

I configured godaddy in the way when d3mate.com is redirected to
eu.d3mate.com. So there is no chanse for a request without domain reach
the app.
Fix a redirect to proper subdomain