grid docs: todo

11/19/2019:

• grid landing page should include a more artful statement, then lead into docs.
  • editions can live here
• create "grid + ..." branches on the left sidebar tree, each with its own compatibility chart
  • grid + norns
  • grid + computers (Max + serialosc stuff)
    • applications list lives here
    • update Max info for Max 8
    • serialosc docs lives here
  • grid + modular
• maintenance can hold care + disassembly + bus power upgrade
  • update disassembly for newer editions
  • update care for newer editions