feat: backend servis iskeletini ve yönetim uçlarını ekle

backend/app/runtime.py

@@ -0,0 +1,14 @@
+from contextlib import suppress
+
+from app.telegram.bot import TelegramBotService
+
+
+class RuntimeServices:
+    def __init__(self) -> None:
+        self.telegram_bot: TelegramBotService | None = None
+
+    async def shutdown(self) -> None:
+        if self.telegram_bot is not None:
+            with suppress(Exception):
+                await self.telegram_bot.stop()
+