Add a link to an online demo

Gallaecio · Gallaecio · commit cfbd2aabf54a · 2019-10-18T14:27:58.000+02:00
diff --git a/README.rst b/README.rst
@@ -27,7 +27,7 @@ Features
 * Remove elements using CSS or XPath selectors
 * Regular expression helper methods
 
-Example::
+Example (`open online demo`_)::
 
     >>> from parsel import Selector
     >>> sel = Selector(text=u"""<html>
@@ -50,3 +50,5 @@ Example::
     ...     print(e.xpath('.//a/@href').get())
     http://example.com
     http://scrapy.org
+
+.. _open online demo: https://colab.research.google.com/drive/149VFa6Px3wg7S3SEnUqk--TyBrKplxCN#forceEdit=true&sandboxMode=true
