Add blue sky as a syndication source

config/providers/syndication.rb

@@ -1,6 +1,7 @@
 Hanami.app.register_provider :syndication, namespace: true do
   start do
     register "mastodon", Adamantium::Syndication::Mastodon.new
+    register "blue_sky", Adamantium::Syndication::BlueSky.new
     register "raindrop", Adamantium::Syndication::Raindrop.new(api_key: "Bearer #{target["settings"].raindrop_api_key}")
     register "dayone", Adamantium::Syndication::Dayone.new(
       username: target["settings"].smtp_username,