* ensure /end request is always called, and refactor win/draw logic
* clean up logging and error handling during initialization
* automatically generate friendly snake names
* title-case snake names
* print out list of alive snake names instead of count
* log snake names, IDs, and URLs at startup
* print out state for turn zero
* add 'map' cli command
- provides the following map information functions:
- list all available maps in the global registry
- display map metadata
- update docs with map command examples
* add list and info subcommands to map cli command
* rename map command list and info factory functions
* add --all flag to map info subcommand
* handle cmd.Help error