Documentation added for Qwickstay

[SnigdhaP2022]

Readme file added

Close #5108

Checklist:

• [✅] I have mentioned the issue number in my Pull Request.
• [✅] I have commented my code, particularly in hard-to-understand areas
• [✅] I have created a helpful and easy to understand README.md

[SnigdhaP2022]

@MohitGupta121 Kindly,review this PR

[SnigdhaP2022]

@MohitGupta121 @TusharKesarwani kindly, merge this PR