merge new branch with updated read me

[KaizenGirl1111]

Ⅰ. Describe what this PR does

I just added a table comparing native kubernetes and kubernetes extended with OpenKruise

Ⅱ. Does this pull request fix one issue?

No, it doesn't fix any prevailing issue

Ⅲ. Describe how to verify it

Ⅳ. Special notes for reviews

This is a PR in special attempt to understand OpenKruise project and is maybe a very naive one :) I am all ears to reviews. I have also applied for LFX this year, if I get selected would love to learn more. I also published an interesting article explaining OpenKruise in simple words like explaining to a 5 year old - https://avniuplabdhee.hashnode.dev/openkruise-explained-like-you-are-5

[kruise-bot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[kruise-bot]

Welcome @KaizenGirl1111! It looks like this is your first PR to openkruise/kruise 🎉

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 49.19%. Comparing base (3b7c731) to head (388b0ec).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1516      +/-   ##
==========================================
- Coverage   49.21%   49.19%   -0.03%     
==========================================
  Files         157      157              
  Lines       22604    22604              
==========================================
- Hits        11125    11119       -6     
- Misses      10268    10272       +4     
- Partials     1211     1213       +2     

Flag	Coverage Δ
unittests	49.19% <ø> (-0.03%)	⬇️

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[zmberg]

@KaizenGirl1111 Good Job, and can you resolve the check fails, for example: