List all products in the catalog

**As a** user  
 **I need** to be able to list all products
 **So that** see the list of products in the catalog
   
 ### 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]
 ```
