in order to install Boomerang templates in your Xcode folder, just copypaste the command below in your terminal.
curl -fsSL https://raw.githubusercontent.com/synesthesia-it/BoomerangTemplates/master/installBoomerangFileTemplates.sh | sh
curl -fsSL https://raw.githubusercontent.com/synesthesia-it/BoomerangTemplates/master/installBoomerangProjectTemplate.sh | sh
curl -fsSL https://raw.githubusercontent.com/synesthesia-it/BoomerangTemplates/master/installMurrayTemplate.sh | sh