Allows mkdocs to be used as a simple blog.

Features:

• Provides timestamps based on folder structure
• Enables jinja2 templating
• Generates a simple RSS feed for recent content

Assumes blog content is laid out in a standardized format with numeric years and months as follows:

docs/<year>/<month>/page.md

Within a month, file modification time is used to provide chronological ordering.

• Archive page, listing posts in chronological order
• Recently posted, listed just the most recent posts