Add little-snitch-nightly 4.1.3,5180 (#5957)
Add little-snitch-nightly 4.1.3,5180 (#5957)

* Create little-snitch-nightly.rb

* Update little-snitch-nightly.rb

lantrix/homebrew-versions,Ngrd/homebrew-versions,404NetworkError/homebrew-versions,caskroom/homebrew-versions,rogeriopradoj/homebrew-versions,victorpopkov/homebrew-versions,pkq/homebrew-versions,caskroom/homebrew-versions,lantrix/homebrew-versions,rogeriopradoj/homebrew-versions,pkq/homebrew-versions,Ngrd/homebrew-versions,mahori/homebrew-cask-versions,404NetworkError/homebrew-versions,mahori/homebrew-versions,victorpopkov/homebrew-versions