Initial open source release

deploy/migrations/0023_channel_admin_invites.down.sql

@@ -0,0 +1,18 @@
+DROP INDEX IF EXISTS channel_invites_hash_lookup_idx;
+
+ALTER TABLE channel_update_events
+    DROP CONSTRAINT IF EXISTS channel_update_events_type_check;
+
+ALTER TABLE channel_update_events
+    ADD CONSTRAINT channel_update_events_type_check CHECK (
+        event_type IN (
+            'new_channel_message',
+            'edit_channel_message',
+            'delete_channel_messages',
+            'channel_participant',
+            'noop'
+        )
+    );
+
+ALTER TABLE channels
+    DROP COLUMN IF EXISTS pinned_message_id;