filter search by type of search result.

[simonv3]

the search endpoint currently searches the top x results for each of artist label track album. We could add a filter on it that returns just one of those.

[TERR-inss]

Hi, I would be happy to pick this one up - believe I've written code that would solve this issue but am not sure the best way to go about as I am not yet able to run locally. Perhaps that is due though to the app being broken?