I agree this should be managed through the UI. It only affects the browser repo and it only uses local storage, so it would be pretty straightforward to implement. I’d be happy to submit a pull request if the devs agree.
I suggest it is located under “Manage” in the Settings tab:
The screen can then resemble the URI list in the View Item screen:
@tgreer and @kspearrin - thoughts on this proposal? (I didn’t think it was worth creating a duplicate thread in the Github Contributions category, but let me know if you’d prefer this in the future.)