Много переделал

handlers/__init__.py

@@ -0,0 +1,7 @@
+from .start import router as start_router
+from .profile import router as profile_router
+from .subscriptions import router as subscriptions_router
+from .support import router as support_router
+
+# Экспортируем все маршрутизаторы
+routers = [start_router,profile_router,subscriptions_router,support_router]