I want to make some coding contribution to Absinthe, where should I start?

I have used Absinthe in two core projects, the more I use Absinthe, the more I like it. So I think it’s time to make some contribution.

But because of my Elixir skill level, I found the source code of Absinthe is very beautiful and concise, but not simple. Most of the modules are very abstract, So I hope someone can give some advice, where should I start ?

I’ve submitted prs for absinthe_error_payload and wormwood, although they are not be merged yet.