Use lambda-packages during builds

[Miserlou]

Hello!

Thought you might be interested in incorporating lambda-packages that we use with Zappa as part of your library's build process. You can see how we do it automatically swap out lambda-compatible dependencies.

[nficano]

Reading up on this now, thank you so much for sharing!

[jmehnle]

Although this seems like a great idea, I'd raise security concerns about downloading precompiled binaries from someone's GitHub repo with no way to verify that these binaries aren't compromised.