Add forklift2 2.6.6 (#4057)
Add forklift2 2.6.6 (#4057)

* Add forklift2 2.6.6


https homepage

* add conflict

* Update forklift2.rb

victorpopkov/homebrew-versions,wickedsp1d3r/homebrew-versions,caskroom/homebrew-versions,wickedsp1d3r/homebrew-versions,yurikoles/homebrew-versions,Ngrd/homebrew-versions,victorpopkov/homebrew-versions,lantrix/homebrew-versions,FinalDes/homebrew-versions,pkq/homebrew-versions,404NetworkError/homebrew-versions,mahori/homebrew-versions,FinalDes/homebrew-versions,404NetworkError/homebrew-versions,rogeriopradoj/homebrew-versions,lantrix/homebrew-versions,pkq/homebrew-versions,mahori/homebrew-cask-versions,caskroom/homebrew-versions,yurikoles/homebrew-versions,Ngrd/homebrew-versions,rogeriopradoj/homebrew-versions