Mre Envy Versions Save

What's Changed

• Improve env file handling by @mre in https://github.com/mre/envy/pull/113
• Add envy find command to find environment variables by name by @mre in https://github.com/mre/envy/pull/119
• List loaded vars from each .env file; refactoring by @mre in https://github.com/mre/envy/pull/120
• Add envy load for one-time loading by @mre in https://github.com/mre/envy/pull/121
• More-shells (bash, fish) by @mre in https://github.com/mre/envy/pull/128

Full Changelog: https://github.com/mre/envy/compare/0.3.3...0.4.0

Move from app_dirs (now deprecated) to directories and update other dependencies.

Cut another release for automatic publication using actions-rs

First released version.