[Feature Request] Support setting a custom prompt message for add-redemption event

[TheDanniCraft]

Tell us about your feature request

I would like to be able to set a custom prompt (user input) for the add-redemption event. This would allow testing via the cli if the app respondes based on what the user inputs.

Disclaimer

• I agree

[Kaine]

Yes please! (websocket)

[whiskers888]

Yes, but twitch ignored and i sad

[Kaine]

Yes, but twitch ignored and i sad

Why sad, just compile the code yourself. I did it so you can :)
#356