Cloud Launcher should have a clickable access code

[fortuna]

In the last step of the cloud launcher, we should present a link that the user can click and add the server, in case they ran the launcher on their mobile browser. It's hard to add the server otherwise.

[fortuna]

This page has instructions on how to trigger an intent with a link on Chrome:
https://developer.chrome.com/multidevice/android/intents

Though that scheme doesn't work on other browsers. You may need an approach like this:
https://blog.branch.io/technical-guide-android-deep-linking-uri-schemes