-run Pi-Hole to block all traffic except Whitelist, then Whitelist sites go through adblocking Pi-Hole list
-create small Windows appliication like Putty with three buttons:
- Current Whitelist
- Add Domain
- Remove Domain
With the ability to copy/paste
Thanks.
I think your request is a bit out-of-scope for our project, but you may find the upcoming audit log will meet some of your needs.