Docs: replace tab character with two spaces. this document was about 30% tabs and the rest spaces
Docs: replace tab character with two spaces.
this document was about 30% tabs and the rest spaces

Signed-off-by: John Thornton <831ddba0f9954b83b568ccc203bee09efc068d05@gmail.com>

bmwiedemann/linuxcnc-mirror,bmwiedemann/linuxcnc-mirror,bmwiedemann/linuxcnc-mirror,ikcalB/linuxcnc-mirror,ikcalB/linuxcnc-mirror,ikcalB/linuxcnc-mirror,bmwiedemann/linuxcnc-mirror,ikcalB/linuxcnc-mirror,bmwiedemann/linuxcnc-mirror,bmwiedemann/linuxcnc-mirror,ikcalB/linuxcnc-mirror,ikcalB/linuxcnc-mirror,bmwiedemann/linuxcnc-mirror,ikcalB/linuxcnc-mirror