Neil MartinsenBurrell

# Pull request summary This adds automated accessibility testing with pa11y to the CircleCI configuration for this project. It also addresses some of the accessibility items that were surfaced on...

https://setuptools.pypa.io/en/latest/userguide/pyproject_config.html specifies that `project.scripts` is `package.module:function`. There isn't a `py` package in a `checkdmarc` module, so this breaks the installed `bin/checkdmarc` script. This should close #82.

ssh_config blocks should be prepended to /etc/ssh/ssh_config

2

Because new `Host` stanzas are placed by this cookbook at the end of the file, those cannot be used to override any defaults that are present in a `Host *`...

Roadmap or timeline form v3.0.0 release?

4

We (https://github.com/cisagov/manage.get.gov/) are excited for the JSON `changes` field coming in version 3.0.0 but I didn't see a schedule or a roadmap on when the code will move from v3.0.0b4...

# Pull request summary https://github.com/18F/TLC-crew/issues/960 requests adding this post to the 18F blog. ## Reminder - please do the following before assigning reviewer - [ ] For content changes beyond...