nimble check can't find .nimble line is confusing.
```me@lane:/p/n/useragents> nimble check
Error: Specified directory does not contain a .nimble file.
me@lane:/p/n/useragents> cat .nimble
# Package

version     = "0.1.0"
author      = "Andre von Houck"
description = "Parses user agents in nim."
license     = "MIT"

# Deps

requires "nim >= 0.17.3"⏎                                                                                             ```