Bugfix
- make sure activation bytes has 8 bytes, otherwise append ‚0‘ in front until 8 bytes are reached
- make sure metadata1 has 8 bytes, otherwise append ‚0‘ in front until 8 bytes are reached
- If installed, use playwright to login with external browser. Please
[read here](https://playwright.dev/python/docs/intro) how to install playwright.
Then use `audible.Authenticator.from_login_external(COUNTRY_CODE)` for login.
- fix login issues