[FEATURE] Add OCPP 2.X.X support

[jerome-benoit]

Duplicate issue

• I've searched for any related issues and avoided creating a duplicate issue.

Description

Required for the Mobena project: https://www.vedecom.fr/initiative-mobena/ or https://mobena.org/.

• Per request/response handlers modules;
• Document the level of compliance, as for OCPP 1.6.

Requests

• BootNotification
• Heartbeat
• StatusNotification

Incoming requests

• ClearCache
• GetBaseReport

Attachments

OCPP stack classes diagram_2023-01-14_17-38-31.pdf

[jerome-benoit]

The initial classes structure allowing request/response handlers per OCPP version has been integrated into main branch.

[jerome-benoit]

The first missing OCPP 2 command to implement is GetBaseReport.

To do it:

• Mock OCPP 2 server with the mobility house framework into a tests subdirectory like ocpp-server
• Document the OCPP 2 mock usage
• Add request/response payload types definition
• Identify the payload validation JSON schemas
• Add the payload validation JSON schemas in the proper OCPP payload validation hooks
• Identify the file module to where the command implementation should be added
• Implement and hook the command code in the OCPP 2 code
• Test with the mock OCPP 2 server