Changed unsplash folder into the existingAPI Folder

[haard18]

🎯 Title and Issue Number
Unsplash API Implemented #71

Closes #71
🗒️ Checklist:
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 CONTRIBUTING GUIDELINES.md.
Thank you for contributing!❤️

Don't forget to show some love by ⭐ the repository!

[dishamodi0910]

Hey @haard18, Thank you for creating PR! We will review it super soon. 😇❣️
As we continue to evolve and innovate, we encourage you to share your ideas, feedback, and code to help us push the boundaries of what's possible in the world of APIs🚀.
We hope you have followed CONTRIBUTING GUIDELINES.
Thank you for being an essential part of our community. Together, we'll keep building amazing things!
Don’t forget to ⭐ our repository!
Happy Coding!✨
Will See you soon❣️

[dishamodi0910]

@haard18, Make entry of API into README.md file

[haard18]

Check Now @dishamodi0910

[dishamodi0910]

@haard18 We're thrilled to inform you that your pull request has been successfully merged into the APIverse🚀🎁
Your hard work, dedication, and expertise have made a significant impact on our project, and we couldn't be more grateful for your contributions.😇
Your code will now be a part of our growing ecosystem, helping developers worldwide to create exceptional APIs.❣️🔥
Happy Coding! ✨
Will See you soon❣️