[FR]: Add voice channel ID to the Player structure

[TehPig]

Description

Upon creating a player, it will also store the voice channel ID that the bot is in.

Reason

This can be used in cases where for example the voice channel needs to be fetched in order to get the members connected to the channel and afterwards display the size or any other property of the channel itself.

Example code

No response

Confirmations

• This feature is not already implemented.
• I have verified that this is not a duplicate feature request.