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 77.83%. Comparing base (3a924e4) to head (42dff7d).
Report is 28 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #470      +/-   ##
==========================================
+ Coverage   77.16%   77.83%   +0.67%     
==========================================
  Files           4        4              
  Lines         727      749      +22     
  Branches      282      302      +20     
==========================================
+ Hits          561      583      +22     
  Misses        137      137              
  Partials       29       29              

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.