Patch notes

[congdanh2516]

Fixes # .

Description

Act: Add confusion_metrics_patch.py file:
Purpose: confusion_metrics_patch.py a is an updated version of confusion_metrics.py. It adds comments to explain the meaning of the lines of code for the compute_confusion_matrix_metric() function. In addition, a small improvement in the update is switching from using if-elif to match-case structure to optimize the code structure.

Types of changes

• Non-breaking change (fix or new feature that would not break existing functionality).
• Breaking change (fix or new feature that would cause existing functionality to change).
• New tests added to cover the changes.
• Integration tests passed locally by running ./runtests.sh -f -u --net --coverage.
• Quick tests passed locally by running ./runtests.sh --quick --unittests --disttests.
• In-line docstrings updated.
• Documentation updated, tested make html command in the docs/ folder.

[KumoLiu]

Hi @congdanh2516, seems you added many unrelated files in this pr. Could you please remove them? Thanks.