Docs: Temporarily reference gulp@next in Quick Start

Author: phated

docs/getting-started/1-quick-start.md

@@ -48,7 +48,7 @@ This will guide you through giving your project a name, version, description, et
 
 ### Install the gulp package in your devDependencies
 ```sh
-npm install --save-dev gulp
+npm install --save-dev gulp@next
 ```
 
 ### Verify your gulp versions