Implement Privacy Controls for Chat Rooms

[sw6820]

• Define Privacy Levels: Establish different levels of privacy (e.g., public, private, secret) for chat rooms.
• User Interface for Setting Privacy: Design and implement UI elements allowing users or admins to set the privacy level when creating or modifying a chat room.
• Backend Logic for Privacy Settings: Develop backend functionality to store and manage privacy settings for each chat room.
• Access Control List Implementation: Create an access control list (ACL) that defines who can access each chat room based on its privacy settings.
• Integration with Chat Room Creation and Joining Processes: Ensure privacy settings are considered during chat room creation and when users attempt to join a chat room.