Adding refactored auth [Not be merged]

[shreelakshmijoshi]

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• Please check if the PR fulfills these requirements 📋

• A new branch is created for the change(s) and the changes are not committed on the main or master branch
• No credentials or secrets are committed

• What kind of change does this PR introduce? (Bug fix, feature, docs update, refactor, chore, test, config) 💁 📜
  Refactor, test, config

• Refactored AuthHandler and JwtAuthenticationServiceImpl to add multiple handlers for authentication and authorization
• Allowed bearer token to be added in Authorization header for Bearer <JWT-Token> authentication
• Added helper class RoutingContextHelper to add and fetch objects from routing context
• Updated and removed some unit tests accordingly

TODO

• Adding unit tests

• Updating postman collection to have Bearer

• Updating example-config

• Merging DeployerDev to Deployer.java

• Fixing pmd, checkstyle issues

  
  

• Fixes 🔧 #576

• Checklist for the current PR 📃

• I have added the respective changes in the example-config if the changes are made in config
• For the changes made in example-config, backend components (elasticsearch, flyway files for postgres, immudb schema, rabbitmq) I have notified DX DevOps team by mentioning [at-sign]datakaveri/devops as a PR comment to help facilitate the further necessary changes
• I have commented on my code, particularly in hard-to-understand areas
• My changes generate no new warnings
• Existing unit tests pass locally with my changes
• I have added reviewers to check the proposed changes