Version 0.8.1

Changelog:

• Added example use-case about creating a timelapse with batch processing.
• Added example use-case about crop type classification. Contributed by @Gnilliw
• Updated code to be compatible with the latest releases sentinelhub-py 3.2.0 and s2cloudless 1.5.0.
• Fixed an issue in eolearn.coregistration.RegistrationTask.
• Fixed an issue in eolearn.io.ExportToTiff with paths on Windows.
• Various minor improvements.