Refactor docblocks to short annotations, add DI container support

Replaces multi-line docblocks with concise single-line annotations throughout the codebase for improved readability and consistency. Introduces dependency injection container support by adding RunnerFactory and ShellDefinition, updating composer.json with ghostwriter/container, and enhancing ShellTest to use the container. Updates test data providers to use new naming conventions and improves type annotations.

Update composer.json

Signed-off-by: Nathanael Esayeas <nathanael.esayeas@protonmail.com>