CircuitPython organization site

TODO

• add feed_meta and seo tags to layout head
• setup github_pages gemfile
• favicons
• filtering and sorting of Downloads
• layout of Downloads
• responsive sizes
• download details pages
• landing page
• news page
• help page
• setup travis for generate_downloads.rb
• update header to latest version (different logo)
• deploy accounts, and update url to accounts production in download.js
• authenticate github api for newsletter posts

To add a new board to the site:

1. Duplicate _board/template.md to _board/<board id>.md.
2. Edit _board/<board id>.md according to the template's instructions.
3. Create a pull request with the file changes.