Update README.md

[ztq1996]

Fix the link to the Documentation [Overview]

Problem & Solution Description (including issue #)

Code Quality

• [x ] My code follows the code style of this project
• [x] I have written unit tests or justified all instances of #pragma: no cover; in the case of a bugfix, a new test that breaks as a result of the bug has been added
• [x] My code contains relevant comments and necessary documentation for future maintainers; the change is reflected in applicable demos/tutorials (with output cleared!) and added/updated docstrings use the NumPy docstring format
• [x] Any breaking changes, described above, are accompanied by backwards compatibility and deprecation warnings

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 96.78%. Comparing base (58d5e5e) to head (e2b19d0).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #97 +/- ## ======================================= Coverage 96.78% 96.78% ======================================= Files 31 31 Lines 1585 1585 ======================================= Hits 1534 1534 Misses 51 51 ```

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