Sync upstream to https://github.com/Chatterino/chatterino2/commit/9c4ba35a974eb27db007955f82029ed7761b8535
Sync upstream to https://github.com/Chatterino/chatterino2/commit/6a8ae9dbc2e185984556cfdd17934f64ccaec299
Sync upstream to https://github.com/Chatterino/chatterino2/commit/fabca32344cd28ee4812586e102bcc1496ef3e18
save-urls-online-waybackpy.py: disable script since the module waybackpy is outdated
Sync upstream to https://github.com/Chatterino/chatterino2/commit/dad7781e952dab4d97dbc1fc67c4caacb33b762b
Sync upstream to https://github.com/Chatterino/chatterino2/commit/9c9776a87d6cf3977e04d2d9ad911042d5abc770
Include recently created files upstream
Restore BetterLogger Notebook dependencies