- Replace all instances of `TASK_CONFIG_DIR` with `TASK_DOTENV_DIR` across environment-related scripts
- Update `init-config-dir` function name to `init-dotenv-dir` for consistency
- Adjust documentation and help table entries to reflect the renamed variable and function
- Maintain existing functionality and code style throughout affected scripts
- Replace `create-odoo-env` and `create-nextcloud-env` with unified `create-env` function
- Support multiple environment types: odoo, nextcloud, and upgrade
- Update `list-env` to detect and display new environment types
- Adjust documentation and help table entries to reflect consolidated command
- Maintain existing code style and error handling patterns