update readme instructions for normal script includes

jordanlev · web-flow · commit 43c61c824de9 · 2017-01-10T18:59:05.000-06:00
Mention that the sortable.js library needs to be included as well (otherwise the component doesn't load).
diff --git a/README.md b/README.md
@@ -216,4 +216,4 @@ https://jsfiddle.net/dede89/m2v0orcn/
 
 - #### For `<script>` Include
 
-  Just include `vuedraggable.min.js` after Vue.<br>
+  Just include `Sortable.min.js` and `vuedraggable.min.js` after Vue.<br>

Original file line number	Diff line number	Diff line change
`@@ -216,4 +216,4 @@ https://jsfiddle.net/dede89/m2v0orcn/`
`216`	`216`
`217`	`217`	- #### For `<script>` Include
`218`	`218`
`219`		- Just include `vuedraggable.min.js` after Vue.<br>
	`219`	+ Just include `Sortable.min.js` and `vuedraggable.min.js` after Vue.<br>