Documentation

Decided it would help to have a page for the various docs.

These first two documents should be combined into a single GCA5 specific document, but I haven’t had time to do that yet.

The GCA Data File Reference Guide is here. This is from GCA4, but still current.

The GCA5 Updated Data File Info is here. This updates the Data File Reference with lots of new-to-GCA5 features, but only contains the new and updated info.

The Plugin Reference Guide is here. This is incomplete and very much a work-in-progress, and progress is slow.