1.3: show includeConfig code?

[mgeaghan]

Re: following line (~L342)

There are also several includeConfig statements in the nextflow.config file that are used to include additional .config files from the conf/ folder. Each additional .config file contains categorized configuration information for your workflow execution, some of which can be optionally included:

I think it could be good to either screenshot, live show, or instruct users to view, the nextflow code where this is done