First release of the library.
Functionality:
- **Client**: async, fetches webpage data, has timeouts and retries.
- **Parser**: beautifulsoup4-based, parses all available Product data to Pydantic models.
- **Updater**: implements Observer pattern (invokes update handlers).
- **Product**: Pydantic model to store product data.
- **ProductPage** and **ProductPageHub**: main interaction points with the package.
**[!]** Update 17.07.2024: This release turned out to be broken for some of the claimed Python versions and contains lots of bugs. It is advised **not to use it**.