You can create a `task` in your nimble file. I do that in my `config.nims` file, but the same should work in your .nimble too.
Ref: [https://github.com/kaushalmodi/nim_config/blob/ffdefa859b9b9837dcb8fe643f04a75e5f98089b/config.nims#L239-L247](https://github.com/kaushalmodi/nim_config/blob/ffdefa859b9b9837dcb8fe643f04a75e5f98089b/config.nims#L239-L247)
