CLI args for noninteractive and runnable to run

[karlnaden]

Summary

Add option for command line arguments to the CLI, initially including

• disable interactivity
• specify the runnable to execute

New behavior

CLI supports arguments

• -n or --noninteractive to disable user input
• -r or --runnable to specify the runnable name, works only if noninteractive mode usedd

Code changes

updates to the CLI module to support using inputs from ARGV

Testing guidance

run bundle exec bin/testscript_engine with additional arguments

[ms-k1ngk0ng]

Looks great! I like the idea of making it interactive, or non-interactive and am including that in the config file PR.