Muting someone only in the home timeline is a function from fedilab itself. This is not a feature from the Mastodon API and Moshidon does not have a similar feature
Nextcloud is not easy to setup, that´s right, but it is not this complicated. Use Postgres as database, it is faster than MySQL. Install Redis as Cache and configure PHP Cache too. This will speedup the most. I use nextcloud installed directly on the host, no docker. Another small guide is here for Postgres and Apache
Nginx alone will not speed up Nextcloud. Use Postgres instead of MySQL and configure Redis and PHP Cache. This will speed up most.
And Nginx is not officially support, see here
I counted the seconds for the start... 4 seconds on my system. Tabby is way more comfortable and has a much nicer UI. Those 4 seconds are totally woth it 🐱
I used ArozOS before, but I have now no usecase anymore for UIs for the host OS