This PR aims to add very basic REUSE license checking https://reuse.software. My intention is not to sort out all errors in this PR, but instead sort that out over multiple incrementals PR going forward in an undisruptive way as possible.
Definitely memory fuckery involved - The comment from @lubieerror https://github.com/Chatterino/chatterino2/issues/2822#issuecomment-897252673 is finally what led me to adding tests and hopefully fixing this.
* optimize chatter list * changelog * Fix tests Co-authored-by: Rasmus Karlsson <rasmus.karlsson@pajlada.com>