NullStreamer

Proton VPN built in

Seems like it’s still an extension and can be removed; but personally I’d rather not have random extensions installed with browser updates…

https://help.qwant.com/en/docs/qwant-search/searching/comment-utiliser-les-raccourcis-de-recherche-qwick/ like this?

I’d suggest going with LazyVIM / SpaceVIM as a starting point, though, as configuring vim from blank state is an art itself and requires quite some time and dedication.