Merge pull request #69 from iamdustan/link-to-ast-explorer

Link to the reworkcss AST explorer

Author: conradz

Readme.md

@@ -77,6 +77,8 @@ properties for consistency.
 
 ## AST
 
+Interatively explore the AST with <http://iamdustan.com/reworkcss_ast_explorer/>.
+
 ### Common properties
 
 All nodes have the following properties.