Refactoring and start consumer integration.

[kmrdhruv]

Refactoring for

• Add active produce/consume topic/subscription to composite entities
• Move default topic/node capacity to config from hard coded values.
• moved varadhitopic factory/service to server module.
• refactoring related to start subscription in consumer

[github-actions[bot]]

Test Results

221 tests   221 :white_check_mark:  40s :stopwatch:  51 suites    0 :zzz:  51 files      0 :x:

Results for commit c303e176.

:recycle: This comment has been updated with latest results.