go back

**Is your feature request related to a problem? Please describe.**
no a new Command

**Describe the solution you'd like**
the bot go's back one in the queue
**Describe the basic flow/steps of using this feature**
How this feature would be used:
1. put @bot back
2. and the bot go's back one in the queue

**Additional context**
the bot go's back one in the queue
**Please check the following links to confirm that your feature has not already been requested:**
yes i did and i did not see it

The issue names no files, tests, or command entry points. Start by locating the bot's queue and command handling, then clarify the intended behavior of “go back one” and how the @bot command should work before defining completion criteria.

Written by the indexing model from the issue text.