COMPONENT_SET is missing from NodeType declaration

[melvinopolis]

• I'm submitting a ... [ ] bug report [x] feature request [ ] question about the decisions made in the repository [ ] question about how to use this project

• Summary COMPONENT_SET is listed in Figma's API documentation, but is not present in this package's NodeType declaration

• Other information (e.g. detailed explanation, stacktraces, related issues, suggestions how to fix, links for us to have context, eg. StackOverflow, personal fork, etc.)* Similar to this issue

[melvinopolis]

I see there's already a PR for this #53