Check the industry4.0 specification and example JSONs to make sure that they are following the Beckn core spec versin 1.1.0

[rajaneeshk90]

Description

We are moving all the Experience centre apps to Beckn specification version 1.1.0.
As part of the same exercise, we are planning to make sure that all the domain specifications are correctly following the Beckn core specification version 1.1.0.

Goals

To validate the specification yaml and the example JSONs in the industry4.0 repository against the Beckn core specification version 1.1.0.
This validation will be done manually.
Check if the docs in the industry4.0 repository are not incorrect.

Expected Outcome

After completing the validation, the industry4.0 specification yaml and the example JSONs should comply with the Beckn core specification version 1.1.0

[rajaneeshk90]

Fixed some typos from the docs
added example implementation details for assembly and 3d printing use cases.