Added mention to lark output as dot or png

README.md

@@ -81,7 +81,7 @@ Lark is great at handling ambiguity. Here is the result of parsing the phrase "f
 
 ![fruitflies.png](examples/fruitflies.png)
 
-See the code and more [examples here](https://github.com/lark-parser/lark/tree/master/examples)
+See the code to make [this image](https://github.com/lark-parser/lark/tree/master/examples/fruitflies.py) and more [examples here](https://github.com/lark-parser/lark/tree/master/examples)
 
 
 ## List of main features

docs/features.md

@@ -26,6 +26,8 @@
   - Support for external regex module ([see here](classes.md#using-unicode-character-classes-with-regex))
   - Import grammars from Nearley.js ([read more](nearley.md))
   - CYK parser
+  - Transform your parse tree to dot or png files  for better visualization ([see_example](https://github.com/lark-parser/lark/blob/master/examples/fruitflies.py))
+
 
 ### Experimental features
   - Automatic reconstruction of input from parse-tree (see examples)