Update documentation for releases.

CONTRIBUTING.md

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+# Contributing
+
+# What Is Jekyll
+
+For those unfamiliar with how Jekyll works, check out [jekyll.rb] for all the
+details, or read up on the basics of [front matter], [writing posts] and
+[creating pages].
+
+[jekyll.rb]: https://jekyllrb.com/
+[front matter]: https://jekyllrb.com/docs/frontmatter/
+[writing posts]: https://jekyllrb.com/docs/posts/
+[creating pages]: https://jekyllrb.com/docs/pages/
+
+# Using RVM to Manage Ruby
+
+In order to not blow up your computer handling a system wide Ruby installation, it is
+advised that you use [RVM](https://rvm.io/rvm/install).
+
+Once you've got that installed and configured, get the latest version of Ruby with:
+
+```bash
+$ rvm install 2.4.2
+```
+
+Select that version and then create an isolated [gemset](https://rvm.io/gemsets/basics) with:
+
+```bash
+$ rvm use 2.4.2
+$ rvm gemset create autonomic
+$ rvm gemset use autonomic
+```
+
+# Install Dependencies
+
+Then you can get your Ruby dependencies installed with:
+
+``` bash
+$ gem install jekyll bundler
+```
+
+# Serve Website
+
+And serve the website locally with:
+
+``` bash
+$ jekyll serve
+```
+
+# Editing Content
+
+You can edit content in the `.md` files under `src` and `src/_posts`.
+
+# Manage Gemset
+
+When you're hacking later on (or in a new shell), you'll need to run:
+
+``` bash
+$ rvm use 2.4.2
+$ rvm gemset use autonomic
+```
+
+And then you'll have access to the environment.