chore(db): add schemas directory from upstream

- Add init.sql for database bootstrap (9.1.0)
- Add update-schema/9.2-update.sql for 9.1 → 9.2 migration
- Add bundled-schema/ with demo data templates
- Empty patch-schema/ ready for 9.2.x patches

schemas/bundled-schema/DistributionDemo.sql

@@ -0,0 +1,11 @@
+BEGIN;
+
+-- Adds a Distribution that can be accepted up to 20 times that gives one of Item Type 30 (Item Box extra page)
+INSERT INTO distribution (type, event_name, description, times_acceptable) VALUES (1, 'Extra Item Storage', '~C05Adds one new page to your Item Box.', 20);
+INSERT INTO distribution_items (distribution_id, item_type, quantity) VALUES ((SELECT id FROM distribution ORDER BY id DESC LIMIT 1), 30, 1);
+
+-- Adds a Distribution that can be accepted up to 20 times that gives one of Item Type 31 (Equipment Box extra page)
+INSERT INTO distribution (type, event_name, description, times_acceptable) VALUES (1, 'Extra Equipment Storage', '~C05Adds one new page to your Equipment Box.', 20);
+INSERT INTO distribution_items (distribution_id, item_type, quantity) VALUES ((SELECT id FROM distribution ORDER BY id DESC LIMIT 1), 31, 1);
+
+END;