Made the footer content flexbox so that it can be centered

[adityapandey23]

🎯 Title and Issue Number

Closes #29

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• [*] I have mentioned the issue number in my Pull Request.
• [*] I have gone through rules of when PR will get merged.
• [*] I have commented my code, particularly in hard-to-understand areas
• [*] I have created a helpful and easy to understand README.md
• [*] I have followed proper file structure.
• [*] I have gone through

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Name	Status	Preview	Comments	Updated (UTC)
create-my-api	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Oct 1, 2024 5:01pm

[Puskar-Roy]

Hello @adityapandey23, thank you for your pull request! We will review it shortly. 😇❣️
Your contributions help us grow and improve our project. Please make sure you have read and followed our CONTRIBUTING GUIDELINES.
Your efforts are appreciated, and we value your participation in our community. Don't forget to ⭐ our repository!
Happy coding!✨

[adityapandey23]

Here is the demo

[Puskar-Roy]

@adityapandey23 good work! but you need add the pr in dev branch.