The changes in this commit refactor the methods in the `projects_storage` module to use consistent naming and simplify the code. The following changes were made:
- Renamed the `update_project` method to `update` in the `projects_storage` module.
- Renamed the `add_project` method to `add` in the `projects_storage` module.
- Renamed the `get_project` method to `get` in the `projects_storage` module.
- Renamed the `list_projects` method to `list` in the `projects_storage` module.
These changes improve code readability and maintainability by using consistent naming conventions and simplifying the method signatures.
