updated readme + moved arch .md file to /files_for_readme + updated imports in saga service

Author: Max Azatian

README.md

@@ -126,8 +126,7 @@ cause `match-case` was introduced first in `Python 3.10`.
 ## Architecture Overview
 
 > [!WARNING]
-> Version 2.0 is underway. Detailed, up-to-date architecture diagrams are in
-> [this file](./ARCHITECTURE_IN_DETAILS.md).
+> Detailed, up-to-date architecture diagrams are in [this file](files_for_readme/ARCHITECTURE_IN_DETAILS.md).
 
 [//]: # (<img src="./files_for_readme/system_diagram.png">)
 

backend/app/services/saga/saga_service.py

@@ -1,8 +1,6 @@
 from app.core.logging import logger
-from app.db.repositories.execution_repository import ExecutionRepository
-from app.db.repositories.saga_repository import SagaRepository
-from app.domain.enums.saga import SagaState
-from app.domain.enums.user import UserRole
+from app.db.repositories import ExecutionRepository, SagaRepository
+from app.domain.enums import SagaState, UserRole
 from app.domain.saga.exceptions import (
     SagaAccessDeniedError,
     SagaInvalidStateError,