Better doc on how to add an environment

[yleflour]

[yleflour]

I'm looking for insights on what is missing in the environment management docs. All inputs welcomed !

[olegdeezus]

For example, unclear option "Commit keystore files?"

[alikor]

How on earth do i use it? for people that are new to fastlane i don't know how to execute the ios build its keeps on complaining about no provision available but i have done a ios setup how can i chain them together?