Add Hyperswitch to list.md

[VedantKhairnar]

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

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

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[VedantKhairnar]

@crweiner
As Hacktoberfest is on the edge, was hoping to get this merged soon.
Let me know if something is pending from my end.
Thanks. : )

[codeclimate]

Code Climate has analyzed commit 3741135 and detected 0 issues on this pull request.

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[crweiner]

Hello @VedantKhairnar! Thank you so much for taking the time to add Hyperswitch to the Hacktoberfest Swag List! I love seeing new companies join in for the Hacktoberfest fun! Thanks again!

[VedantKhairnar]

Thanks @crweiner
This listing has been a great help to us.
Happy Hacktoberfest!! ✨