Currently reading Make by levelsio, if you want a book to kick your ass and find some MOTO, buy it.

Maybe I'm too late, but I use firebase Realtime DB and Storage for omc.dev
If you have questions

I do

Wikimedia

Really cool!
On mobile device, maybe you could fix the 'features' col on the Pricing and Adminkit / Adminkit PRO ?

tarteaucitron.io/en/