Understand and document enhancements w.r.t Layer 2 Config and Network Observability.

[vbabuEM]

Description

In the Beckn-ONIX and ONDC initiatives, multiple issues were pointed out which require consultations with ONDC and need to be documented as enhancements on the Layer 2 Config. Conduct these meetings and document these issues.

[vbabuEM]

Conferenced with Binu on this.
The L2 config discussion is started here: beckn/protocol-specifications#447
The Telemetry issue has been discussed with Ravi and is in two parts. The Open Telemetry is continued here: beckn/protocol-server#211
The flexibile way to specifying the configuration is tied to the L2 config discussion listed above.