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.h

@@ -46,6 +46,31 @@ class Tile16Transfer : public CommandHandler {
   absl::Status Run(const std::vector<std::string>& arg_vec) override;
 };
 
+class GfxExport : public CommandHandler {
+ public:
+  absl::Status Run(const std::vector<std::string>& arg_vec) override;
+};
+
+class GfxImport : public CommandHandler {
+ public:
+  absl::Status Run(const std::vector<std::string>& arg_vec) override;
+};
+
+class PaletteExport : public CommandHandler {
+ public:
+  absl::Status Run(const std::vector<std::string>& arg_vec) override;
+};
+
+class PaletteImport : public CommandHandler {
+ public:
+  absl::Status Run(const std::vector<std::string>& arg_vec) override;
+};
+
+class DungeonExport : public CommandHandler {
+ public:
+  absl::Status Run(const std::vector<std::string>& arg_vec) override;
+};
+
 class Open : public CommandHandler {
  public:
   absl::Status Run(const std::vector<std::string>& arg_vec) override {
@@ -186,4 +211,4 @@ class Expand : public CommandHandler {
 }  // namespace cli
 }  // namespace yaze
 
-#endif
+#endif  // YAZE_CLI_Z3ED_H