Be able to search based off of theme

(I don't personally understand this field, but it's in the datafield doc, so I'm including it.)

Scientific research [auto-selected from Service tag: Science]
* Biology/Bioengineering
* Physics
* Engineering
* Materials Science
* Big Data
* Citizen Science
* Anthropology

Repair
Energy
Circular Economy
Art and Culture
Design
Politics
Journalism
Farming and food
Education
Local livelihoods
Nature and environmental protection
Peacekeeping
Neighborhood infrastructure and improvements
Health
Physical Education
Social Justice
Government (thinking National Labs)