airbnb/knowledge-repo v0.6.11

Add Permissions to Posts + other fixes

on GitHub

This release does a few things:

1. Adds the knowledge version to content (PR here)
2. Adds "proxy posts", where things like google docs can be added to the KR. (PR Here)
3. Adds the ability to add post-specific permissions, using a "private" flag in the header, and then a list of allowed_groups. (PR here)