create Public Channel
abstract fun createPublicChannel(name: String, description: String?, category: String?, maxItems: Int, listener: RainbowListener<Channel, Unit>? = null)
Create a public company channel.
Parameters
name
String name of the channel
description
String description of the channel
category
String category of the channel
max Items
int max items allowed to be added in this channel (optional, default to 100)
listener
RainbowListener