✨ Add grunt-cli so users can run grunt from within Homestead

Author: svpernova09

scripts/provision.sh

@@ -175,6 +175,7 @@ apt-get install -y nodejs
 /usr/bin/npm install -g gulp
 /usr/bin/npm install -g bower
 /usr/bin/npm install -g yarn
+/usr/bin/npm install -g grunt-cli
 
 # Install SQLite