Fixes#11
Add aliases for `repo-to-text` and `--create-settings`.
* **setup.py**
- Add alias `flatten` for `repo-to-text` in `entry_points`.
* **repo_to_text/main.py**
- Add alias `--init` for `--create-settings` in `argparse` setup.
* **README.md**
- Update usage documentation to include alias `flatten` for `repo-to-text`.
- Update usage documentation to include alias `--init` for `--create-settings`.
---
For more details, open the [Copilot Workspace session](https://copilot-workspace.githubnext.com/kirill-markin/repo-to-text/issues/11?shareId=XXXX-XXXX-XXXX-XXXX).