Add more images and diagrams to break up the text

[jpmckinney]

General suggestion from OCDS retreat. Some specific suggestions:

• Add OCDS and e-GP diagram to the new implementation journey and/or primer section

[jpmckinney]

Add OCDS and e-GP diagram to the new implementation journey and/or primer section

@duncandewhurst Do you know what diagram this refers to?

[duncandewhurst]

I think it's this one

[jpmckinney]

@LindseyAM suggested re-using the dog mascot (see #OCDS-dog thread for artist contact information). Example:

[jpmckinney]

Attaching the image in case the link becomes inaccessible.

I think this came up because, at least at the time, it was a common point of confusion.

Hopefully, with the primer and videos, we have addressed that confusion.

Additional images and diagrams have not been forthcoming. We can instead improve readability with a new theme open-contracting/standard_profile_template#37