Manual: fix a logical flaw in the structure of the "Detector Geometry" section. Add additional description on what the "chip_thickness" of a monolithic chip is supposed to be
Manual: fix a logical flaw in the structure of the "Detector Geometry" section.
Add additional description on what the "chip_thickness" of a monolithic chip is supposed to be

Koensw/allpix-squared,Koensw/allpix-squared,Koensw/allpix-squared,Koensw/allpix-squared