👔 feat: add banner priority ordering logic

prisma/migrations/20260302160211_rename_order_column/migration.sql

@@ -0,0 +1,16 @@
+/*
+  Warnings:
+
+  - You are about to drop the column `order` on the `hero_banner` table. All the data in the column will be lost.
+  - A unique constraint covering the columns `[orderPriority]` on the table `hero_banner` will be added. If there are existing duplicate values, this will fail.
+
+*/
+-- DropIndex
+DROP INDEX "hero_banner_order_key";
+
+-- AlterTable
+ALTER TABLE "hero_banner" DROP COLUMN "order",
+ADD COLUMN     "orderPriority" INTEGER;
+
+-- CreateIndex
+CREATE UNIQUE INDEX "hero_banner_orderPriority_key" ON "hero_banner"("orderPriority");