Bootstrap controller module

[kmrdhruv]

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[kmrdhruv]

This involves below tasks

1. Refactor server class to be the main application.
2. Implement a basic controller to establish flow.
3. Deployment enhancement for controller module
   Refer to the doc for more details - https://docs.google.com/document/d/1rnHXHPyt65iVXp90Mgyl6crJ2G8B0msJV18L6IM6ePU/edit

Post this, one should be able to host controller as independent module or in combination of other modules. Send messages to the controller via MessageChannel and that should invoke the dummy methods in controller.
Actual method implmentation tasks are independent deliverables.