0.3 (Oct 2023)

• updated skyfall to 0.2.3 - fixes encoding of CIDs and binary strings into JSON
• switched firehose to the BGS server at bsky.network
• text and $type fields are stripped from the JSON in data column to save space
• posts with date in the past (e.g. imported from Twitter) are ignored
• FeedPosts are deleted when the post they reference is deleted
• added some helpers (Post.find_by_at_uri and #at_uri, Utils.handle_from_did and .did_from_handle)
• added info in comments about how to do feed authentication
• added another sample feed, "Build in Public"
• added app/server.rb file for extending the server component (with examples)
  • by default, the root URL returns a simple web page with a welcome message and a list of available feeds
• feed rebuilding:
  • much faster rebuilding in larger datasets
  • asks for confirmation before rebuilding a feed
  • rebuild with ONLY_EXISTING prints deleted posts
  • added UNSAFE option to rebuild without using a transaction
  • added DRY_RUN option to rebuild a feed in memory without saving
• other Rake tasks:
  • added delete_feed_item task to remove a post from a feed
  • added cleanup_posts task to delete old posts
  • added test_feed task to test loading a feed via HTTP
  • Rake tasks from Rakefile have been split into .rake files in lib/tasks
• firehose.rb and server.rb scripts have been moved to bin/firehose and bin/server
• switched development server from Webrick to Thin
• various fixes and improvements in Rake tasks, deploy script, sample feeds and logging