update example

README.md

@@ -33,11 +33,22 @@ The output is :
 
 ```sh
 $ ./bin/reciper example/demo
-# To produce :
-#  - 3 a 
-#  - 2 b 
+# Steps
 # 
-# Get :
-#  - 17 c 
+# 3 a
+# ├─6 c
+# └─9 b
+#   └─9 c
+# 2 b
+# └─2 c
+# 
+# Intermediaries
+# 
+# 3       a
+# 11      b
+# 
+# Inputs
+# 
+# 17      c
 # 
 ```