💚: make gulp 'clean' del 'dist/' contents only

fixes minor annoyance when watching the contents of the 'dist/' folder

gulpfile.js

@@ -72,7 +72,7 @@ gulp
 })
 
 .task("clean", function() {
-	del.sync(["dist"]);
+	del.sync(["dist/**/*"]);
 })
 
 .task("watch", ["build"], function() {