Add Note Sharing feature.

models/__init__.py

@@ -27,6 +27,7 @@ from .dashboard import DashboardWidget, WidgetTemplate
 from .work_config import WorkConfig
 from .invitation import CompanyInvitation
 from .note import Note, NoteVisibility, NoteLink, NoteFolder
+from .note_share import NoteShare
 
 # Make all models available at package level
 __all__ = [
@@ -47,5 +48,5 @@ __all__ = [
     'DashboardWidget', 'WidgetTemplate',
     'WorkConfig',
     'CompanyInvitation',
-    'Note', 'NoteVisibility', 'NoteLink', 'NoteFolder'
+    'Note', 'NoteVisibility', 'NoteLink', 'NoteFolder', 'NoteShare'
 ]