Add some starter documentation

[jrandym]

@RandyCHS List of suggestions:

• [ ] #6
• [ ] #7
• [ ] #8
• [ ] Decide later if we need something more complex

[RandyCHS]

Let's start by creating a sample docs folder with a single markdown document, then turn on GitHub pages and point to it. We can decide later if we want to go with something more complex later.

[jrandym]

Okay, here's a summary this as a task list:

• [ ] Create a docs folder
• [ ] Create a new index.md
• [ ] Turn on GitHub pages
• [ ] Decide later if we need something more complex

[jrandym]

Thanks @RandyCHS . ❤️ I create issues from your suggestions