[Gateway Component] Gateway Component's health check endpoint returns healthy even if the Router is not in running state

Current Limitation

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The gateway controller returns healthy even if the router component is not running.
During the above behaviour recognising time, gateway component's gateway-controller was the only running docker container. Router component was in exit state due to a configuration issue.

But calling the
curl http://localhost:9090/health gave successful response.

In the readme.md it says,

Suggested Improvement

Success response should be returned only if gateway-controller and router both are in active state.

or else the readme.md file should be changed as ->

# Verify gateway-controller services are running

Version

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