Update broken link in README.md

[PrakashGatiyala]

Description

Give a summary of the change that you have made
https://github.com/metafy-social/web3-smart-contracts/blob/master/README.md File contains a broken link. Incorrect link was https://github.com/metafy-social/daily-python-scripts/blob/master/HACKTOBERFEST.md So I have updated the link with https://github.com/metafy-social/python-scripts/blob/master/HACKTOBERFEST.md

Fixes #[ISSUENO] #146 Issue Link: https://github.com/metafy-social/web3-smart-contracts/issues/146

Dependencies

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Future Improvements

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Mentions

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Hi @advaita-saha please review my PR.

Screenshots of relevant screens

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Developer's checklist

• [X] My PR follows the style guidelines of this project
• [X] I have performed a self-check on my work

If changes are made in the code:

• [X] I have followed the coding guidelines
• [X] My changes in code generate no new warnings
• [ ] My changes are breaking another fix/feature of the project
• [ ] I have added test cases to show that my feature works
• [X] I have added relevant screenshots in my PR

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