#354 Add maven model for feature toggle design pattern

servant/index.md

@@ -9,12 +9,14 @@ tags:
  - Difficulty-Beginner
 ---
 
-**Intent:** Servant is used for providing some behavior to a group of classes.
+## Intent
+Servant is used for providing some behavior to a group of classes.
 Instead of defining that behavior in each class - or when we cannot factor out
 this behavior in the common parent class - it is defined once in the Servant.
 
 ![alt text](./etc/servant-pattern.png "Servant")
 
-**Applicability:** Use the Servant pattern when
+## Applicability
+Use the Servant pattern when
 
 * when we want some objects to perform a common action and don't want to define this action as a method in every class.