Update list of privacy respecting browsers

Content request

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Checklist

• This issue is not a duplicate, I've searched the Issue Tracker
• This issue is not a question, I'm aware that I can submit questions via Mastodon, Twitter, Email, Reddit or Matrix
• This issue is a content request, and not a bug report, feature request, or anything other

What are you missing or what could be improved?

In https://gofoss.today/firefox/ add Mull under "Other privacy respecting browsers"; it's a fork of Firefox for Android developed by the DivestOS team and available in F-Droid. I think you should remove Vivaldi from here as well, but that's only my opinion. Also consider mention the F-Droid version of Firefox, Fennec, somewhere in this page.

Do you have additional comments?

Request & suggestions received from lmq10 per email. Thanks for contributing!