Adds greencoda/confiq

[greencoda]

repo link: https://github.com/greencoda/confiq

pkg.go.dev: https://pkg.go.dev/github.com/greencoda/confiq

goreportcard.com: https://goreportcard.com/report/github.com/greencoda/confiq

coverage service link: https://raw.githack.com/wiki/greencoda/confiq/coverage.html

---

• [x] I have read the Contribution Guidelines
• [x] I have read the Maintainers Note
• [x] I have read the Quality Standards
• [x] The repo documentation has a pkg.go.dev link.
• [x] The repo documentation has a coverage service link.
• [x] The repo documentation has a goreportcard link.
• [x] The repo has a version-numbered release and a go.mod file.
• [x] The repo has a continuous integration process that automatically runs tests that must pass before new pull requests are merged.
• [x] Continuous integration is used to attempt to catch issues prior to releasing this package to end-users.
• [x] forge link (github.com, gitlab.com, etc):
• [x] pkg.go.dev:
• [x] goreportcard.com:
• [x] coverage service link (codecov, coveralls, etc.):
• [x] The package has been added to the list in alphabetical order.
• [x] The package has an appropriate description with correct grammar.
• [x] As far as I know, the package has not been listed here before.
• [x] The packages around my addition still meet the Quality Standards.

[github-actions[bot]]

Thank you for contributing to awesome-go. We will review your contribution as soon as possible.

Make sure you add the links in the body of the pull request that are requested in the contribution guide:

• repo link
• pkg.go.dev
• goreportcard.com
• coverage

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