Added Chat

[EiSimp]

Description:

• pom.xml:

  • Added Spring Boot WebSocket starter dependency

• WebSocketConfig.java:

  • Created configuration for WebSocket

• SecurityConfig.java:

  • Updated to integrate WebSocket security

• WebSocketController.java:

  • Created controller to handle WebSocket messages

• MessageController.java:

  • Updated to include WebSocket message handling

• ChatMessageDTO.java:

  • Added data transfer object for WebSocket messages

• BookClubService.java:

  • Updated service to support WebSocket operations

• MessageService.java:

  • Updated service to include sending, editing, and deleting messages

• bookclub.js:

  • Updated JavaScript code to support new endpoints and send bookClubId to the modal when entering a bookclub.

• chatroom.js:

  • Added event listeners for sending, editing, and deleting messages
  • Implemented CSRF token (not used) retrieval and user information functions
  • Integrated WebSocket initialization and message handling
  • Refactored and cleaned up code for better readability and maintainability