Add Smithsonian Institution Archives as data source

[oree-xx]

Problem

Smithsonian Institution Archives (API documentation): The Smithsonian Institution is the world’s largest museum and research complex, based in Washington, D.C. It includes 21 museums, 9 research center, libraries, archives and the National Zoo, covering fields from art and culture to science and history. It provides access to about 5.2 million objects, artifacts and specimens.

API information

• An API key is required to access the Open Access API (via the portal hosted at- api.data.gov).
• Data available through JSON format
• No query limit

More documentation

• https://dashboard.si.edu/virtual-smithsonian#open-access
• https://www.si.edu/openaccess/devtools

[TimidRobot]

Also see https://github.com/creativecommons/quantifying/blob/4b220f46d9b516bfb7decd960b18b7149bf1bbe2/pre-automation/glam/fetch_smithsonian.py