feat(cli): add general commands handler to agent

- Introduced a new source file for general commands in the agent's command handling structure.
- This addition enhances the command management capabilities of the CLI, allowing for more comprehensive command processing.

Benefits:
- Improved modularity and extensibility of command handling within the agent, facilitating future feature additions.

src/cli/agent.cmake

@@ -35,6 +35,7 @@ set(YAZE_AGENT_SOURCES
   cli/handlers/agent.cc
   cli/handlers/command_handlers.cc
   cli/handlers/agent/simple_chat_command.cc
+  cli/handlers/agent/general_commands.cc
   cli/handlers/game/overworld_inspect.cc
   cli/handlers/game/message.cc
   cli/handlers/rom/mock_rom.cc