Update README.md

[OppiaLabsAdmin]

🚀 Neko Pull Request

Mark with an x all the checkboxes that apply (like [x])

Closes #62

• Added tests (if necessary)
• Run tests
• Run formatting
• Evidence attached
• Commented the code

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📌 Type of Change

• Documentation (updates to README, docs, or comments)
• Bug fix (non-breaking change which fixes an issue)
• Enhancement (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

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📝 Changes description

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📸 Evidence (A Loom/Cap video is required as evidence, we WON'T merge if there's no proof)

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⏰ Time spent breakdown

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🌌 Comments

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Thank you for contributing to Neko, you just helped us make RWAs consumer friendly on Stellar! We hope you can continue contributing to this project.