Improve the help command

[Chaos21]

Please tick all applicable boxes.

• [x] I am using Python 3.5 or higher (run python --version on the command line)
• [x] I have followed the official guides to install the bot for my system
• [x] I have updated my dependencies to the latest version using the appropriate update script

Which version are you using?

• [x] The latest master version (1.9.7)
• [ ] The latest review version

What type of issue are you creating?

• [ ] Bug
• [x] Feature request
• [ ] Question

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Description of issue

It would be cool if the "help" command was more clean, like a list, or something like this. An example from a bot: (Note that's just an example, I'm not saying to add these features)

[owocado]

yeah, making the help output into a neat paginated embed would be the work of art indeed. It will look much cleaner to the eyes.

[BabyBoySnow]

Given current state, I don't see this being done. A rewrite of MusicBot is needed.