You could even argue it with the data structures and the protocol itself: Modelling chat rooms as graphs (“directed acyclic graphs”), which need to be eventually consistent from beginning to end is plain madness for big and long-living public spaces. This blog post is a good collection of some of the major problems coming from that: Why not Matrix? - telegra.ph

Maybe check out postmarketOS if you want the chance the run mainline linux

You could either copy them to the top of your template, or you could take a look at the blockinfile module