added vendors table

prisma/migrations/20260127165516_make_address_id_optional/migration.sql

@@ -0,0 +1,8 @@
+-- DropForeignKey
+ALTER TABLE "Vendor" DROP CONSTRAINT "Vendor_addressId_fkey";
+
+-- AlterTable
+ALTER TABLE "Vendor" ALTER COLUMN "addressId" DROP NOT NULL;
+
+-- AddForeignKey
+ALTER TABLE "Vendor" ADD CONSTRAINT "Vendor_addressId_fkey" FOREIGN KEY ("addressId") REFERENCES "Address"("id") ON DELETE SET NULL ON UPDATE CASCADE;