OpenWeatherMapWeatherProvider: Massive rework

- Update and add copyright for E FOUNDATION
- Pull lineage-sdk jar file from BlissLauncher Q to avoid API conflicts
- Resolve deprecated code warnings
- Add support for dark & light theme modes
- Refactor DEFAULT_OWM_KEY implementation
- Bump major version to indicate massive changes

Signed-off-by: Aayush Gupta <theimpulson@e.email>