enhance & update the README.md file

[REHAN-18]

🛠️ Fixes Issue

Closes #140

👨‍💻 Description

• Added the Gssoc'24 fest logo give the instructions how to contribute in this.

📄 Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update (adds or updates related documentation)

📷 Screenshots/GIFs (if any)

✅ Checklist

• I am a participant of GSSoC-ext.
• I have followed the contribution guidelines of this project.
• I have viewed deployment of my code.
• My changes generate no new warnings.
• I have added documentation to explain my changes.

🤝 GSSoC Participation

• This PR is submitted under the GSSoC program.
• [] I have taken prior approval for this feature/fix.

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Name	Status	Preview	Comments	Updated (UTC)
my-calendar-app	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Oct 25, 2024 6:13pm

[REHAN-18]

@divyansh-2005 bro merge this I have done this issue #151

[REHAN-18]

@divyansh-2005 bro see this pr I ve done this but ur ignoring the PR's