Add configuration options to action

You are now able to configure the action, you can do the following:

• Change the default commands passed into nasher
• Configure the action to use the nwn_script_comp instead of NWNSC
• Override the default set of nasher options configured in the image
• Set additional nasher options

Update image used by action

Point the action to the nasher4gh-images images

Initial Relase

Initial release of nasher4gh