Сделан баланс, проверка чеков, начата система создания серверов

ospabhost/backend/prisma/migrations/20250918093232_bill_check/migration.sql

@@ -0,0 +1,14 @@
+-- CreateTable
+CREATE TABLE `Check` (
+    `id` INTEGER NOT NULL AUTO_INCREMENT,
+    `userId` INTEGER NOT NULL,
+    `amount` DOUBLE NOT NULL,
+    `status` VARCHAR(191) NOT NULL DEFAULT 'pending',
+    `fileUrl` VARCHAR(191) NOT NULL,
+    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
+
+    PRIMARY KEY (`id`)
+) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
+
+-- AddForeignKey
+ALTER TABLE `Check` ADD CONSTRAINT `Check_userId_fkey` FOREIGN KEY (`userId`) REFERENCES `User`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;