The command brew cask install in README.md doesn't work now because of update of Homebrew.
This is not a bug of this app, but the document needs to be fixed.
Error: Calling brew cask install is disabled! · Discussion #340 · Homebrew/discussions
brew cask <command> was deprecated in favor of brew <command> --cask in Homebrew 2.6.0. Now that 2.7.0 has been released, they have been disabled.
screenshot:

The command
brew cask installinREADME.mddoesn't work now because of update of Homebrew.This is not a bug of this app, but the document needs to be fixed.
Error: Calling brew cask install is disabled! · Discussion #340 · Homebrew/discussions
screenshot:
