fix(route): URL missing protocol for sub-domains

[simontong]

When executing a redirect with response.route('my-route') using domain('example.com) grouping in routes.js it will prepend the protocol to the URL.

[coveralls]

Coverage remained the same at 98.208% when pulling 010f348 on simontong:3.0.13 into 0fffdca on adonisjs:3.0.13.

[coveralls]

Coverage remained the same at 98.208% when pulling 010f348 on simontong:3.0.13 into 0fffdca on adonisjs:3.0.13.

[thetutlage]

Fixed in 4.0