Add support for `bitsbadgetier` events

**Is your feature request related to a problem? Please describe.**
`bitsbadgetier` is another `USERNOTICE` that is not yet simulated

**Describe the solution you'd like**
Be able to send a command that triggers this usernotice.

**Additional context**
Command type: `USERNOTICE`
msg-id: `bitsbadgetier`
Key param: `msg-param-threshold`
