Must persist counter across restarts

**As a** user
 **I need** a counter 
 **So that** the counter persists restart  
   
 ### Details and Assumptions
 * [document what you know]
   
 ### Acceptance Criteria  
   
 ```gherkin
 Given [some context]
 When [certain action is taken]
 Then [the outcome of action is observed]
 ```
