chore: update project configuration and documentation

- Added *.egg-info/ to .gitignore to prevent egg metadata from being tracked.
- Updated virtual environment instructions in CONTRIBUTING.md and README.md to use .venv for consistency.
- Revised mkdocs.yml to include a placeholder for the repository URL when publishing.
- Cleaned up pyproject.toml by removing unnecessary pylint configuration.
- Enhanced import-format.md and runbook.md documentation for clarity on user roles and health check endpoints.

README.md

@@ -19,9 +19,9 @@ A minimal Telegram bot boilerplate using [python-telegram-bot](https://github.co
 
 2. **Create a virtual environment (recommended)**
    ```bash
-   python -m venv venv
-   source venv/bin/activate   # Linux/macOS
-   # or: venv\Scripts\activate  # Windows
+   python -m venv .venv
+   source .venv/bin/activate   # Linux/macOS
+   # or: .venv\Scripts\activate  # Windows
    ```
 
 3. **Install dependencies**
@@ -144,7 +144,7 @@ pytest
 
 Tests cover `api/telegram_auth` (validate_init_data, auth_date expiry), `config` (is_admin, can_access_miniapp), and the API (date validation, 403/200 with mocked auth, plus an E2E auth test without auth mocks).
 
-**CI (Gitea Actions):** Lint (ruff), tests (pytest), security (bandit). If the workflow uses `PYTHONPATH: src` or `bandit -r src`, update it to match the repo layout (no `src/`).
+**CI (Gitea Actions):** Lint (ruff), tests (pytest), security (bandit). Run from the repo root with `PYTHONPATH=.` if needed.
 
 ## Contributing