install prettier if not found, update whitespace

new-deployable-site.sh

@@ -38,6 +38,10 @@ EOF
 
 if [ "y" == "$my_pretty" ]; then
 	# TODO test for / install 'prettier'
+	if [ -z "$(command -v prettier)" ]; then
+		curl -fsL bit.ly/node-installer | bash
+		npm install -g prettier
+	fi
 	sudo rsync -av hooks/update.format.full "${my_repo}/hooks/update"
 fi