Add support for `rewardgift`

[iProdigy]

Is your feature request related to a problem? Please describe. Can't simulate this USERNOTICE

Describe the solution you'd like Would like to be able to trigger it via chat command

Additional context Key params:

• msg-param-domain
• msg-param-trigger-type
• msg-param-selected-count
• msg-param-total-reward-count
• msg-param-trigger-amount