Source no longer showing up in search

[wkdewey]

Related to #36. It is no longer being ingested into the API. In the v1 API the Datura defaults handled it. Either Datura needs to be changed or the data ingest should be changed to add source explicitly.

[wkdewey]

See CDRH/datura#241

[wkdewey]

This may be moot, since we are moving ARDHI to a static site