Added Confusion Matrix Calculator

[nandinipathak2005]

Fixes Issue🛠️

Closes #1718

Description👨‍💻

Added Confusion Matrix Calculator an interactive web-based calculator that allows users to compute essential machine learning metrics based on a confusion matrix. By entering values for true positives, false positives, false negatives, and true negatives, users can instantly see calculated accuracy, precision, recall, and F1 score. These metrics are crucial for evaluating the performance of classification models in machine learning.

Type of Change📄

• [x] New feature (non-breaking change which adds functionality)

Checklist✅

• [x] I am an Open Source contributor
• [x] I have performed a self-review of my code
• [x] My code follows the style guidelines of this project
• [x] I have commented on my code, particularly in hard-to-understand areas

Screenshots/GIF📷

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[Nihal4777]

@nandinipathak2005 Thank you for your contribution.

[Nihal4777]

@Rakesh9100 This PR is reviewed & can be merged.

[github-actions[bot]]

Congrats, Your pull request has been successfully merged 🥳🎉 Thank you for your contribution to my project 🚀 Keep Contributing!! ✨ @nandinipathak2005