- Replace Git dependency in `Site` with `Path` for config files
- Refactor `Server` initialization and add browser-opening functionality
- Introduce `BlogBuilder` for blog building logic separation
- Simplify `Main` by delegating build and server logic to `BlogBuilder` and `Server`
- Add CLI enhancements with new options and improved readability
Signed-off-by: Minecon724 <git@m724.eu>