96168dc6fb
- Updated API route structure to remove versioning and consolidate endpoints. - Refactored routing in `server.go` to use a unified `/api` prefix for all controllers. - Added new `ChannelController`, `ConversationController`, and `MessageController` to handle specific API functionalities. - Removed deprecated `OpenImContextMiddleware` and related logic. - Enhanced channel validation logic in `ChannelService` and `ChannelRepository`. - Updated frontend API calls to align with new endpoint structure.