Micro macro average

[neelasha23]

Describe your changes

Added tutorial for micro and macro average scores

Issue ticket number and link

Closes #240 #284

Checklist before requesting a review

• [x] I have performed a self-review of my code
• [x] I have added thorough tests (when necessary).
• [x] I have added the right documentation in the docstring and changelog (when needed)

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:books: Documentation preview :books:: https://sklearn-evaluation--285.org.readthedocs.build/en/285/

[coveralls]

Pull Request Test Coverage Report for Build 4184617333

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 94.15%

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Totals
Change from base Build 4183563914:	0.0%
Covered Lines:	3042
Relevant Lines:	3231

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💛 - Coveralls