This PR addresses issues with contributing to the project, as described by @suzannehillman in https://github.com/a11yproject/a11yproject.com/pull/842. It:
- Includes information about Forking the project to be able to submit Pull Request.
- Updates the clone instructions to include
git clone
, as well as usinghttps:
instead ofgit:
. - Adds messaging about how to request a non-Markdown/GitHub article writing process.