Add kemba

[clok]

Please check if what you want to add to awesome-go list meets quality standards before sending pull request. Thanks!

Please provide package links to:

• github.com repo: https://github.com/clok/kemba
• pkg.go.dev: https://pkg.go.dev/github.com/clok/kemba
• goreportcard.com: https://goreportcard.com/report/github.com/clok/kemba
• coverage service link: https://coveralls.io/github/clok/kemba?branch=chore/test-coverage

Very good coverage

Note: that new categories can be added only when there are 3 packages or more.

Make sure that you've checked the boxes below before you submit PR:

• I have added my package in alphabetical order.
• I have an appropriate description with correct grammar.
• I know that this package was not listed before.
• I have added pkg.go.dev link to the repo and to my pull request.
• I have added coverage service link to the repo and to my pull request.
• I have added goreportcard link to the repo and to my pull request.
• I have read Contribution guidelines, maintainers note and Quality standard.

Thanks for your PR, you're awesome! 👍

[avelino]

Thank you for contributing with awesome-go, we will revise your contribution as soon as possible.

Automation body links content check:

• godoc.org or pkg.go.dev: True
• goreportcard.com: True
• coverage: True