Added Configu in the list

[vaibhav-009]

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. 👀

Fixes #779

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[crweiner]

Hello @vaibhav-009! Thank you for another PR to the Hacktoberfest Swag List! I made a few tweaks for the Configu entry, but now it's ready to go live! I appreciate your contribution, and hope you're having a great Hacktoberfest!

[vaibhav-009]

Thank you @crweiner.