- Updated `.gitignore` to include local configuration and plugin directories, allowing users to add custom commands and services without modifying core code.
- Enhanced `config.ini.example` with instructions for using local plugins and added sections for local service configurations.
- Refactored `PluginLoader` and `ServicePluginLoader` to support loading local commands and services from specified directories, improving extensibility.
- Updated `mkdocs.yml` to include documentation for local plugins and the check-in API.
- Added tests to verify the discovery and loading of local plugins, ensuring functionality and preventing name collisions with built-in plugins.
- Added assertions to ensure call arguments are not None in multiple command tests.
- Introduced a new test for the CmdCommand class to verify that long command lists are truncated correctly with a '(N more)' suffix, improving command list readability.
