Toggle light / dark theme

https://www.youtube.com/watch?v=Ix_TWENA4dc&t=1s

https://www.youtube.com/watch?v=2SiGn4Yt4CI

https://www.youtube.com/watch?v=G6ZRmAtj6l8&t=1s

https://www.youtube.com/watch?v=1Aio1N71spQ&t=1s

https://www.youtube.com/watch?v=Ily4m823GDM&t=1s

https://www.youtube.com/watch?v=PsK-pPjW020&t=1s

https://www.youtube.com/watch?v=uBzLIyDBveM

https://www.youtube.com/watch?v=JkdXltBycMc&t=1s

https://www.youtube.com/watch?v=EEZpppBFj5Q&t=1s

https://www.youtube.com/watch?v=6ZPiVQdB2V8&t=1s