docs: fix typos and improve clarity in contribution guidelines

[ersachin3112]

This PR contains a:

• bugfix
• new feature
• code refactor
• test update
• typo fix
• metadata update

Motivation / Use-Case

fix typos and improve clarity in contribution guidelines, corrected grammatical issues, improved sentence structure, and refined formatting across the contribution guidelines in README.md

Breaking Changes

No

Additional Info

No

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.19%. Comparing base (47ad780) to head (b1101ed).
Report is 21 commits behind head on master.

Additional details and impacted files

@@ Coverage Diff @@ ## master #531 +/- ## ========================================== + Coverage 91.55% 93.19% +1.63%  ========================================== Files 7 7 Lines 604 661 +57 Branches 198 217 +19 ========================================== + Hits 553 616 +63  + Misses 42 37 -5  + Partials 9 8 -1 

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