Rework API examples page#483

Merged

cholmes merged 2 commits intoradiantearth:masterfrom joshfix:collections-post

Jun 10, 2019

+76-29

Commits on Jun 7, 2019

rewrote api examples to primarily focus on the /stac/search endpoint
joshfix
committed

Commits on Jun 10, 2019

Changed references from 'data' to 'items'
joshfix
committed