Search results should include an icon or indication of where the content is hosted

[horsburgh]

From the functional specifications: Each search result should have an icon indicating where the data is hosted, e.g. Hydroshare, AWS, GCP, etc. We will have icons for some repositories/locations, but not all since we allow users to register anything from anywhere.

[pkdash]

@Maurier Keeping this issue open as some UI changes probably needed.