Deployment - Add 2 deployment modes: monolith vs microservices

[remibantos]

2 deployment modes enabled by configuration:

• Microservice
• Monolith

Microservices could match following existing domains:

• user
• order
• catalog

Monolith mode matches the current one:

• Back office jeeshop-admin application which depends on jeeshop-order, catalog and user modules.
• Front office application which depends on the same.

[remibantos]

deprecated