Hacktoberfest 2021 Megathread

[PMunch]

I'll accept PRs for all my projects for Hacktoberfest. But to narrow the focus:

  * [nimlsp](https://github.com/PMunch/nimlsp)
  * [futhark](https://github.com/PMunch/futhark)
  * [protobuf](https://github.com/PMunch/protobuf-nim)