Added: "Install with Sketch Runner"

README.md

@@ -58,6 +58,11 @@ Notice
 ## Demo
 [http://tudou527.github.io/marketch/](http://tudou527.github.io/marketch/)
 
+## Install with Sketch Runner
+With Sketch Runner, just go to the `install` command and search for `marketch`. Runner allows you to manage plugins and do much more to speed up your workflow in Sketch. [Download Runner here](http://www.sketchrunner.com).
+
+![Install with Sketch Runner](marketch-runner.png)
+
 ## Using the Plugin
 * Select pages and artboards in the upper left corner.
 * Select an element to view its location and CSS styles on the right side of the page.