[v5] Replace/Remake /join command as a /summon command

[alou-S]

Description

• Currently the /join command just adds the bot to a voice channel which kinda doesn't serve any added purpose since the /play command does the same thing anyway.
• Remake the /join command so that if it is used by a DJ and is in another channel, the bot will move itself to the channel of the person who called the said command.
• If used by a non privileged user it will join a channel if it isn't in another channel or give a message saying that the user is not privileged enough to move the bot.
• It can be renamed to /summon since that word describes the purpose better?

[jdkenne]

Hi, how can I assist with completing this issue?