Store state transformation logs

[ZIJ]

Another potentially useful feature could be storing of state transformation logs, so that it would allow auditing changes in the infrastructure - who applied changes and when, something like AWS CloudTrail but on terraform level, maybe with some UI reports. This would also allow to track direct changes in terraform state done in #428

Raised by Igor Pinchuk (commonground ai)

[motatoes]

This seems like a great piece for the digger dashboard - storing of history of changes made, terraform runs, who triggered the actions and when