Add Mushroom Dataset

[amirhosainshahsavari]

Description

I Added Mushroom Dataset

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

Checklist:

• [x] My code follows the style guidelines of this project
• [x] I have performed a self-review of my own code
• [ ] I have commented my code, particularly in hard-to-understand areas
• [x] I have made corresponding changes to the documentation
• [x] My changes generate no new warnings
• [ ] I have added tests that prove my fix is effective or that my feature works
• [x] New and existing unit tests pass locally with my changes
• [ ] Any dependent changes have been merged and published in downstream modules

  ATTACH SCREEN-SHOTS

[netlify[bot]]

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[samz5320]

Sorry we already have mushroom dataset