Arvados

Make a specific plan for what we are going to do to update the documentation.

From discussion -- initial plan should be the minimal things that need to be updated 1:1 from workbench 1 documentation to workbench 2 documentation.

Follow up plan for a more complete overhaul:

https://docs.google.com/document/d/1yOU2gTV21MhQ6uieKrRJgJDGZq1epFPojJomS2Tg6WI/edit?usp=sharing

I think the biggest short term improvement would come from splitting the user guide into separate toplevel walkthrough/tutorial and reference sections and mainly reorganizing what we already have.