Develop: Chatbot interpretation of user command to navigate to the home page

As a user, I want to be able to use the chatbot to return to the home page of the application.

Acceptance Criteria

Chatbot can receive a request to go to the homepage
Chatbot can navigate the user to the homepage in response
Document any relevant content in the Programmer guide (draft thoughts of usage and importantly the "Why")
Updates SRS and STP (and other docs if necessary)
Add/Update relevant unit tests