docs: move doc comments to func impl

[soedirgo]

This makes the doc comments show up for all the function signatures, instead of just the first one.

Before:

https://user-images.githubusercontent.com/31685197/203481350-f04dea46-efdd-4492-b915-f324c1971c6b.mov

After:

https://user-images.githubusercontent.com/31685197/203481364-b1646a4a-9a05-4d17-bfa0-7246fb52a061.mov

[github-actions[bot]]

:tada: This PR is included in version 1.1.1 :tada:

The release is available on:

• GitHub release
• npm package (@latest dist-tag)

Your semantic-release bot :package::rocket: