pv-unruntime: Remove support for invoking pv-test-ui
This has been superseded by the more general steam-runtime-launch-options, which can be added to a game's Launch Options in Steam and does not interfere with non-interactive use of the container runtime.
pressure-vessel: Remove pv-test-ui
This has been superseded by steam-runtime-launch-options.
docs: Describe how to use steam-runtime-launch-options
docs: Recommend s-r-launch-options over PRESSURE_VESSEL_SHELL=instead
After setting up s-r-launch-options, it provides the same functionality in an easier-to-discover way.
docs: Recommend s-r-launch-options as a way to activate command injection
docs: Clarify how to unpack the soldier SDK
docs: Suggest s-r-launch-options as a way to run games in the SDK
docs: Describe how to run a modified Platform or SDK environment
Obviously this is unsupported (and unsupportable!) but it's a useful way to experiment with possible future changes.
docs: Suggest s-r-launch-options as a way to swap out pressure-vessel
docs: Update status of soldier and sniper
docs: Briefly mention medic as a future container runtime