You're trying to lure me into filling out your FAQ aren't you 😂 It's on my list, I just don't feel energized to do it because I did something similar last year and it was a lot of work and never got published. Also I don't think an FAQ with unedited responses will be much help to new developers.
But to answer your question:
Read nostr.com, read nip 01, install nostr-tools and work through the examples in the readme.
In less than half the time you took up to type why you cant contribute to the FAQ you have already done so:
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Thank you for answering 🤝
I'll blame decision fatigue