Design a logo for an open-source code quality tool

We have just released a new tool to validate your .env files. We want to improve the look and feel of the repository main page with a nice logo.

We are opened to any styles / ideas / etc. No boundaries!

Read more about:

• What is .env file? https://github.com/motdotla/dotenv
• Link to our docs: https://dotenv-linter.readthedocs.io/en/latest/