Most rules should create a cmd_file script for usage with the OpenROAD GUI

[mithro]

The OpenROAD GUI can be launched with a cmd_file. It would be good if the build rules created a suitable cmd_file which loaded everything into OpenROAD and setup the GUI in the relevant way.

@QuantamHD mentioned that you probably want to load the .db file and then the sdc and liberty info.

That way you could just do bazel run <openroad target> -- -gui <cmd_file> and quickly see the right stuff...