What if there were uploads/assets associated with themes? Allowing the user to add their own CSP domains is a very band-aid fix.
Current solutions are to either convert everything to data: URIs or upload your files to Fluxer itself via a dump server or Personal Notes, as the CSP policy allows the uploaded-files server.
This does sound like an interesting solution but I personally think CSP domain adding would be better.
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Comment by @nesges
Comment by @retcinder