2.3.0

• Support for consuming plain text & markdown documents was added by @jat255! This was a long-requested feature, and it's addition is likely to be greatly appreciated by the community: #395. Thanks also to @ddddavidmartin for his assistance on the issue.
• @dubit0 found & fixed a bug that prevented management commands from running before we had an operational database: #396.
  @jat255 added a simple update to the thumbnail generation process to improve performance: #399.
• As his last bit of effort on this release, @jat255 also added some code to allow you to view the documents inline rather than download them as an attachment. #400
• Finally, @ahyear found a slip in the Docker documentation and patched it. #401.