chore: establish local platform baseline

migrations/000014_media_upload_and_access.down.sql

@@ -0,0 +1,9 @@
+BEGIN;
+
+DROP TABLE IF EXISTS media_access_log;
+DROP TABLE IF EXISTS recording_access_grant;
+DROP TABLE IF EXISTS upload_batch_segment;
+DROP TABLE IF EXISTS media_segment;
+DROP TABLE IF EXISTS upload_batch;
+
+COMMIT;