Add setting for d->m URL previews

src/db/migrations/0021-add-url-preview-to-guild-space.sql

@@ -0,0 +1,5 @@
+BEGIN TRANSACTION;
+
+ALTER TABLE guild_space ADD COLUMN url_preview INTEGER NOT NULL DEFAULT 1;
+
+COMMIT;

src/db/orm-defs.d.ts

@@ -34,6 +34,7 @@ export type Models = {
 		space_id: string
 		privacy_level: number
 		presence: 0 | 1
+		url_preview: 0 | 1
 	}
 
 	guild_active: {