initial commit of shift knob project page.
add 2 images. intro paragraph draft completed.
add picture of plain shift knob.
updated.
add Focus ST comparison photos.
add "control" subsection and "haptic feedback" subsection.
add reference and link to Arduino Pro Mini.
rename image files. add Hardware and PCB sections.
remove bold heading to README.
match headings and links to future repo organization.
update link address and remove bullets.
fix links and add hashtag.
add hashtag links.
match jump link name to section title exactly.
match new h2:before format with IDs.
Merge branch 'next' into shift-knob
add remaining jump links to shift knob sections.
fix typos.
add remaining photos to shift-knob page. Reword a few sections for clarity.
Merge branch 'next' into shift-knob