Add ARCHITECTURE.md for future products

Also separated architecture from README in delivery

shared/workspaces/workspaces/capability/services/interfaces.py

@@ -108,7 +108,7 @@ class CapabilityEngineIF(ABC):
 
     @abstractmethod
     def submit_workflow_request(
-        self, execution_id:int, workflow_name: str, workflow_args: dict, files: List[AbstractFile]
+        self, execution_id: int, workflow_name: str, workflow_args: dict, files: List[AbstractFile]
     ):
         pass