Refactoring system_mediator

apps/cli/executables/pexable/system_mediator/README.md

apps/cli/executables/pexable/system_mediator/setup.py

...ables/pexable/system_mediator/system_mediator/__init__.py

...ables/pexable/system_mediator/system_mediator/_version.py

...les/pexable/system_mediator/system_mediator/arbitrator.py

...cutables/pexable/system_mediator/system_mediator/calls.py

.../pexable/system_mediator/system_mediator/intercessions.py

...ables/pexable/system_mediator/system_mediator/mediator.py

...es/pexable/system_mediator/system_mediator/resolutions.py

...ecutables/pexable/system_mediator/test/test_arbitrator.py

...i/utilities/system_mediator/system_mediator/arbitrator.py

apps/cli/utilities/system_mediator/test/__init__.py

apps/cli/utilities/system_mediator/test/test_arbitrator.py

docker-compose.local.yml

requirements.txt

services/workflow/requirements.txt

services/workflow/workflow/server.py

...rkspaces/workspaces/workflow/services/workflow_service.py

testing/requirements.txt