Create GQL schema to Json Schema transformation

[YANG-DB]

Is your feature request related to a problem?
Physical schema (mapping) has no generic validation document

What solution would you like?
Producing a json schema that can enforce the physical index mapping to the incoming json documents

What alternatives have you considered?
Conform to the index create document validation only

Do you have any additional context?

• https://github.com/java-json-tools/json-schema-validator
• https://github.com/kristianmandrup/json-schema-to-es-mapping
• https://github.com/ebeahan/ecs-vscode/blob/main/schema/schema.json