feat: implement pagination, add activity types and stats views; update category management and localization

backend/server/adventures/views/__init__.py

@@ -0,0 +1,13 @@
+from .activity_types_view import *
+from .adventure_image_view import *
+from .adventure_view import *
+from .category_view import *
+from .checklist_view import *
+from .collection_view import *
+from .generate_description_view import *
+from .ics_calendar_view import *
+from .note_view import *
+from .overpass_view import *
+from .reverse_geocode_view import *
+from .stats_view import *
+from .transportation_view import *