Update mkdocs.yml enables Attributes List

[asi309]

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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[crweiner]

Hello @asi309! 👋 Thank you for adding the extension, can you please fix the CodeFactor flags and add some tags to current links to make sure that they work?

[codeclimate]

Code Climate has analyzed commit c975664 and detected 0 issues on this pull request.

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[asi309]

@crweiner I have fixed the codeclimate issue and added few tags to index.md and they are opening in new tab

[crweiner]

Beautiful job, @asi309! Thank you very much! I'll comb through and add the link attributes for the other links on the list, and add a reference in the Contributing.md doc.

Appreciate it! Happy Hacktoberfest! 🎉