Add Terminal.Gui fork as submodule with transparent color support
(Color.Transparent emitting CSI 39m/49m default bg/fg sequences).
Switch EchoHub.Client from NuGet to project reference.
Update Transparent theme to use real terminal transparency.
- Created User, Channel, Message, and ServerInfo models with necessary properties.
- Added DTOs for user profiles, server information, and message handling.
- Implemented JWT authentication service for user login and token generation.
- Developed Entity Framework Core DbContext for database interactions.
- Introduced SignalR ChatHub for real-time messaging and presence tracking.
- Implemented file storage and image to ASCII conversion services.
- Set up CORS and middleware for API endpoints.
- Created launch settings and development configuration for server and web projects.
HueByte