[Room][UserList] Introduce style delegate for user list

- Allow users to set a card name and parameters as their background banner
- Allow mods to white/blacklist cards
- Allow toggling back to the old display style

Took 7 minutes

Took 28 seconds

Took 2 minutes

Took 2 minutes

servatrice/migrations/servatrice_0034_to_0035.sql

@@ -0,0 +1,18 @@
+ALTER TABLE `cockatrice_users` ADD COLUMN `card_art_params` TEXT DEFAULT NULL;
+
+CREATE TABLE IF NOT EXISTS `cockatrice_card_art_name_rules` (
+    `id` int(11) unsigned NOT NULL AUTO_INCREMENT,
+    `card_name` varchar(255) NOT NULL,
+    `mode` enum('ALLOW','DENY') NOT NULL,
+    `reason` varchar(255) DEFAULT NULL,
+    `created_by` int(7) unsigned DEFAULT NULL,
+    `created_at` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    PRIMARY KEY (`id`),
+    UNIQUE KEY `uniq_card_name` (`card_name`),
+    KEY `idx_mode` (`mode`),
+    FOREIGN KEY (`created_by`) REFERENCES `cockatrice_users`(`id`)
+    ON DELETE SET NULL
+    ON UPDATE CASCADE
+    ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE utf8mb4_unicode_ci;
+
+UPDATE cockatrice_schema_version SET version=35 WHERE version=34;