Genomics templates and docs updates (#166)

* Add key for issue #158

* Add processing module w/ initial workflow attributes

* Fix non-unique ids in new props

* Update template documentation code

Templates are documented more accurately and reflect use of dependency expansion.
Moreover, the doc function previously built all template assets by default,
but now templates to generate assets for have to be specified more intentionally.

* Import data types from GDC for processed data templates

* Add new data types to property valid values

* Add seq data properties per reopened issue #126

* Pull in workflowLink whenever workflow is mentioned via dependency def

* Update genomics templates and add processed variants (WIP)

* Revise internal Range assignment for dataSubtype

* Regenerate all assets

* Add WES-specific prop and regen docs again

* Add changes

* Import additional props from GDC

* Add changes

* Import class term for germline variants data

* Add changes

Co-authored-by: nf-osi[bot] <[email protected]>

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+*.{cmd,[cC][mM][dD]} text eol=crlf
+*.{bat,[bB][aA][tT]} text eol=crlf