Add check-requirements preflight check
With check-requirements we can do a preflight check and ensure that the Steam client requirements are met.
This MR includes !120 (merged) and !121 (merged), so please review those first.
/cc @smcv @jpwhiting
With check-requirements we can do a preflight check and ensure that the Steam client requirements are met.
This MR includes !120 (merged) and !121 (merged), so please review those first.
/cc @smcv @jpwhiting