Possibility of adding new search sources

[SeverusYixin]

Is it possible to add a new search source to our current data_source, something like a new big database containing our current yaml files and the new data source. we also need to think about the security and maintenance problem.

[haesleinhuepf]

This might be related to

• extract metadata and content from the Galaxy Training Network (GTN) training#29

[SeverusYixin]

good Idea