add view with listened count per hooman

Author: landsman

supabase/migrations/20250202103942_count_view.sql

@@ -0,0 +1,8 @@
+CREATE VIEW listened_count AS
+SELECT hooman.lastfm_user,
+       COUNT(listened.id) as count
+FROM listened
+         LEFT JOIN hooman ON listened.hooman_id = hooman.id
+GROUP BY hooman.lastfm_user
+ORDER BY count DESC
+;