fix: add package description

[blaggacao]

fix #16

However, there may be actually more elegant ways to do that as part of buildNodeModule based on some available metadata from package.json & co...

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[olebedev]

However, there may be actually more elegant ways to do that as part of buildNodeModule based on some available metadata from package.json & co...

Hello! I recommend automating the annotation process for any package, rather than performing it manually for the js2nix package. Would you be open to trying this approach as submit a PR? :)

[blaggacao]

Would you be open to trying this approach as submit a PR? :)

Yep, I can give it a shot tomorrow:-)