Documentation for UHML's ArchivesSpace implementation(s)

• Staff_User_Manual: Information about using ArchivesSpace for UHML staff
• Upgade_History: Past, present, and projected future of UHML's ArchivesSpace development
• Workflow_Manual: Information for UHML ArchivesSpace sysadmins about the process of upgrading ArchivesSpace

To consider: Add a guide / help page / portal for PUI end-users (i.e. researchers)? (And if so, should that be integrated into the ASpace PUI itself--and thus part of our main AS code repository--or should it be packaged as something like a wiki or a LibGuide, and thus live here in the docs repo?)