0.10.1

Backporting fixes:

• Docs: Make notebook templates. (#2122 by @jaheba)
• Docs: Rework installation section. (#2130 by @jaheba)
• Fix DatasetCollection for Python 3.9. (#2135 by @rsnirwan)
• Docs: Fix running tutorials for publishing docs. (#2138 by @jaheba)
• Fix PandasDataset for Python 3.9 (#2141 by @lostella)
• Fix issues with hyperparameter tuning tutorial (#2143 by @lostella)
• Docs: Apply black to notebooks. (#2144 by @jaheba)