Added Covalent to the Hacktoberfest Swag List

[bharatr21]

Thanks for contributing to the Hacktoberfest Swag List 😃 🎉! Before submitting your pull request, please check off as many of the items below as you can:

1. I have read the Contributing.md file and formatted this PR correctly
2. I'm not adding a company from the blocklist
3. I make sure to fix things promptly if an error or suggestion comes up

Closes #759
Thanks and Happy Hacktoberfest! 🎉
Tagging @crweiner to take a look. 👀

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[crweiner]

Hi @bharatr21! Thank you for your PR to add Covalent to the Hacktoberfest Swag List!

The Covalent team has a few more requirements in their blog post here under the "How do I Participate?" section that I'd like to capture on the List. Could you please update this to show their full requirements list?

Thank you!

[codeclimate]

Code Climate has analyzed commit 4d50af6 and detected 0 issues on this pull request.

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[crweiner]

Hi @bharatr21! Thank you for your teaks and for adding Covalent to the 2023 Hacktoberfest Swag List! I apprecaite your PR and hope you're having a great Hacktoberfest!