feat(telegram): integrate Telegram bot for notifications and add related models

apps/backend/prisma/migrations/20260617000000_add_telegram/migration.sql

@@ -0,0 +1,31 @@
+-- CreateTable
+CREATE TABLE "telegram_chats" (
+    "id" TEXT NOT NULL,
+    "chatId" BIGINT,
+    "code" TEXT NOT NULL,
+    "validatedAt" TIMESTAMP(3),
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "telegram_chats_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "telegram_daily_max_notifications" (
+    "id" TEXT NOT NULL,
+    "date" TIMESTAMP(3) NOT NULL,
+    "quoteType" "QuoteType" NOT NULL,
+    "maxValue" MONEY NOT NULL,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "telegram_daily_max_notifications_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "telegram_chats_chatId_key" ON "telegram_chats"("chatId");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "telegram_chats_code_key" ON "telegram_chats"("code");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "telegram_daily_max_notifications_date_quoteType_key" ON "telegram_daily_max_notifications"("date", "quoteType");