Set up the bot and added the first few commands

1. nasabot-apod

Displays NASA's current Astronomy Picture Of the Day.

2. nasabot-random

Displays a random Astronomy Picture Of the Day.

3. nasabot-hd-apod

Displays NASA's current Astronomy Picture Of the Day in HD.

4. nasabot-hd-random

Displays a random Astronomy Picture Of the Day in hd.

5. nasabot-ping

Gets the current nasabot latency

6. nasabot-help

Shows all nasabot commands

All APOD commands display the title, date, and description nicely
formatted alongside the image. The occasional APOD YT video will be
displayed as a link.