Octoprint G29 auto bed level button (not working yet)

* Edit pastebin: added controls-children and name:type:layout for clarity and to show YAML positioning

controls:
- children:
  - commands:
    - G28 X Y
    - G0 Z+10
    - G28
    - G0 X40
    - G28 Z
    - G29
    confirm: The printer will now automatically home XY, raise Z, home Z then probe the bed.
    name: Safe probe bed
    type: command
  name: Printer commands
  type: section
  layout: horizontal