Kindle2notion

- Fixes the issue mentioned in 78.

- Updated code to sync with the official Notion API (using the [notional](https://github.com/jheddings/notional) python wrapper.
- Store all books and clippings data locally as a JSON file ( 31)
- Renamed vars and functions to better reflect their purposes.
- Patches for 42, 43, 54, 63, 64, 66, 67, 69, 71

- Fixes for 39, 43; partial fix for 29
- Notes are highlighted in bold text
- Quotes and other special characters that were previously reported missing from the highlights are visible now.
- Support for rendering non-English letters

- Updated title, author raw parser function to account for Author names with academic titles.
- Fixed issue with Firefox browsers not loading thumbnail covers.
- Updated code with python black formatting

- Updated title, author raw parser function to account for multiple values.
- Rewrote function call to clean My Clippings.txt of any non-ASCII characters.
- Updated minimum Python ver to 3.9
Addresses 28 27 26 25

[Link to package on PyPI](https://pypi.org/project/kindle2notion/)