Alignment guides

Draw table alignment guides

Signed-off-by: Paul Brook <paul@nowt.org>
It's alive!

Enable live mode.

Signed-off-by: Paul Brook <paul@nowt.org>
Document endstops

Document endstop pin mappings.

Signed-off-by: Paul Brook <paul@nowt.org>
Fix movement

Fix stick movement logic.

Signed-off-by: Paul Brook <paul@nowt.org>