Introducing a CONTRIBUTING guide

I would change this section to use the following high-level points:

1. **Provide feedback.** The easiest way to get started is simply giving feedback while using the library. This can range everywhere from how easy it is to obtain the library to how well it meets your needs and what worked/didn't work.
  1. How easy was it to obtain and use the library?
  2. How well did it meet your needs? What worked/didn't work?

2. **Provide updates.** (And this is the items already listed in the section.