* Updated command line usage to:
* Reflect changes made to the CLI.
* Demonstrate recommended use of pip.
* Made some grammar changes.
* Added more useful alt text to the images.
* Converted the top comment to a multi-line string.
* Replaced `i` with `enumerate`.
* Gave the `ArgumentParser` a name and description.
* Added `basic` as a color choice and made it the default.
* Added `color` as a long flag.
* Removed no longer used variables and `if` statement.
