Major improvements to the help menu (colours, detail, commands, etc)

[hrszpuk]

Improvements to the help menu (master <- develop)

List of improvements made

• [x] Style of help menu more resembles rgoc
• [x] Help menu now has command examples
• [x] Help menu now has links to GitHub page, and Discord server
• [x] Help menu now has colours
• [x] Each command has it's own detailed help menu
  • [x] Accessible through rectx help <command>
  • [x] Detailed description of what the command does
  • [x] Example of the command's usage

Issues

• 21

• 1