doc: Removed old file. Changed file name.

Signed-off-by: John Wilkins <john.wilkins@inktank.com>
doc: Added additional monitor icon.

fixes: #6959

Signed-off-by: John Wilkins <john.wilkins@inktank.com>
doc: Added third monitor icon.

fixes: #6959

Signed-off-by: John Wilkins <john.wilkins@inktank.com>
doc: Added source file for graphic.

Signed-off-by: John Wilkins <john.wilkins@inktank.com>
doc: Added source file for graphic.

Signed-off-by: John Wilkins <john.wilkins@inktank.com>
doc: Changed file name.

Signed-off-by: John Wilkins <john.wilkins@inktank.com>