Update package.md

BasicPrimitives · web-flow · commit e699d8eb045e · 2020-03-10T11:28:07.000-04:00
diff --git a/package.md b/package.md
@@ -7,3 +7,7 @@ Run "yarn merge"
 Run "yarn apireference"
 
 * generates markdown files in `apireference` folder out of min/primitives.latest.js`
+
+Run "yarn screenshots"
+
+* generates sample screenshots in `samples/imagesscreenshots` folder from samples deployed to `http://localhost/primitives`
