Add ref links for easier intersphinx on yaml config page (#3877)
Add ref links for easier intersphinx on yaml config page (#3877)

* Add ref links for easier intersphinx on yaml config page

Also recomments a block that we should probably move but I'm not going to worry
about. Comment block could be lost on editors that remove whitespace on lines
before.

* Fix ref for build.image

safwanrahman/readthedocs.org,rtfd/readthedocs.org,davidfischer/readthedocs.org,safwanrahman/readthedocs.org,rtfd/readthedocs.org,safwanrahman/readthedocs.org,rtfd/readthedocs.org,davidfischer/readthedocs.org,safwanrahman/readthedocs.org,rtfd/readthedocs.org,davidfischer/readthedocs.org,davidfischer/readthedocs.org