Add Twitter and Digits by Fabric (https://get.fabric.io/digits) login features

[Rainer-Lang]

[kalyandechiraju]

Hi @Rainer-Lang Can you be more detailed?

[Rainer-Lang]

Login via tel-number
https://get.fabric.io/digits

[kalyandechiraju]

oh! gotcha. Thank you. That would be a nice addition. I will definitely add this feature in the next release.

[Rainer-Lang]

Superb! :-)