Added geekist.co

[pipewrk]

Summary

Added Geekist to the “Portfolios and/or Blog” section.

Geekist is a developer blog that focuses on full-stack architecture, automation & creative software engineering.

Checklist

• I read and will adhere to the Code of Conduct!
• I checked the list for an existing entry for the thing I'm adding.
• I can personally vet the thing I'm adding as high-quality and well-documented.
• I added the thing in the correct category!
• I made sure that the thing I added was in alphabetical order.
• I have properly formatted the line for the thing I'm adding.
  • Example: [Name](Link) - Description
• I have outlined the value of the thing in my pull request.