>>413093701
There's pretty well-written documentation availiable at https://www.poiyomi.com/

If you need some of the basic concepts explained, you can check out poiyomi's channel on yt

https://youtu.be/DfE11LVpnWQ
https://youtu.be/VdkZSEZ82LQ
https://youtu.be/jvaoZJmjENs
https://youtu.be/T70JADdM9q4
https://youtu.be/Q7XUb36pIeI

these are some of the more recent ones that are geared towards absolute beginners