Add getting started

[ncbaratta]

We need more of a getting started section (per the interviews).

• What do you have to gain by working this way? Why are recommending this way of working?
• Joining a community

We jump right into how without talking about the why

[JStickler]

Great resource here -> https://opensource.guide/how-to-contribute/

[ncbaratta]

https://opensource.com/article/18/4/get-started-open-source-project

[ncbaratta]

https://opensource.com/article/18/3/First-Contributions-project

[ncbaratta]

https://opensource.com/tags/getting-started

[ncbaratta]

@shaunix you might have some good resources I could share here.