Add mojo-dotenv - .env file loader for Mojo

[Mjboothaus]

mojo-dotenv v0.2.0

A production-ready .env file parser and loader for Mojo with near-100% python-dotenv compatibility.

Features:

• Parse .env files to Dict or load into environment
• Variable expansion (${VAR} and $VAR syntax)
• Multiline values and escape sequences
• Auto-discovery with find_dotenv()
• 98%+ compatible with python-dotenv
• 42 comprehensive tests using Mojo's TestSuite framework

Repository: https://github.com/DataBooth/mojo-dotenv
License: MIT License

This fills a gap in the Mojo ecosystem for configuration management following 12-factor app methodology.

Testing:

• Recipe created with proper rattler-build format
• Git tag v0.2.0 exists
• Tests included
• Follows modular-community guidelines

[bgreni]

@Mjboothaus Looks like there is a formatting issue causing the pre-commit check to fail

[Mjboothaus]

Hi @bgreni - I have now mirrored the pre-commit hooks in my repo. I have fixed the trailing whitespace issue - so hopefully good to go now. Please note that v 0.2.1 is the latest release.

[Mjboothaus]

Hi team! 👋

Just a friendly check-in on this PR. All checks are passing and the pre-commit issues have been resolved. The package is at v0.2.1 and ready for review whenever you have a moment.

Happy to make any additional changes if needed. Thanks for maintaining this community repository

[Mjboothaus]

Closing this PR in favor of a fresh PR with version 0.2.2.

The original PR was missing required components that are now standard for modular-community packages.

Changes in new PR (coming next):

• ✅ Package image added (recipes/mojo-dotenv/image.png) for builds.modular.com display
• ✅ CodeQL scanning enabled with badge in README
• ✅ License updated to Apache-2.0
• ✅ Version bumped to 0.2.2 to demarkate this enhanced release
• ✅ Test file renamed to test_package.mojo per convention

See updated submission guide: https://github.com/DataBooth/mojo-toml/blob/main/docs/SUBMITTING_TO_MODULAR_COMMUNITY.md

Thank you