Enhance CLI command structure and add new functionalities

- Refactored existing CLI commands to follow a more structured naming convention, improving clarity and usability.
- Introduced new commands for dungeon and graphics handling, including `dungeon export`, `gfx export-sheet`, and `gfx import-sheet`, with placeholder implementations.
- Added palette export and import commands, enhancing the CLI's capabilities for managing graphical assets.
- Updated usage examples and help text to reflect the new command structure and improve user guidance.
- Incremented version number in TUI components to reflect the latest changes.

src/cli/z3ed.cmake

@@ -28,6 +28,9 @@ add_executable(
   cli/handlers/compress.cc
   cli/handlers/patch.cc
   cli/handlers/tile16_transfer.cc
+  cli/handlers/dungeon.cc
+  cli/handlers/gfx.cc
+  cli/handlers/palette.cc
   app/rom.cc
   app/core/project.cc
   app/core/asar_wrapper.cc