Add a Create Prediction Action

[LordTocs]

Twitch api has the ability to create a prediction.

Twurple Link: https://twurple.js.org/reference/api/classes/HelixPredictionApi.html#createPrediction
Official Twitch Link: https://dev.twitch.tv/docs/api/reference#create-prediction

Use the newly supported array data for outcomes.

outcomes: { type: Array, name: "Prediction Outcomes", items: { type: String } }