Boosts - handle url, store in database, send, notify.

fedireads/models/__init__.py

@@ -1,6 +1,6 @@
 ''' bring all the models into the app namespace '''
 from .book import Connector, Book, Work, Edition, Author
 from .shelf import Shelf, ShelfBook
-from .status import Status, Review, Comment, Favorite, Tag, Notification
+from .status import Status, Review, Comment, Favorite, Boost, Tag, Notification
 from .user import User, UserFollows, UserFollowRequest, UserBlocks
 from .user import FederatedServer