Fulfil the open-source checklist

[cabol]

General Items

• It has a github repo
• It has a proper LICENSE file
• It's has a clear and useful README.md
• It's documented (with examples)
• It's tested
• It has 100% coverage
• It has dialyzer
• Add CI (Issue #3)

Features for the First Version

• Implement throttle function (Issue #4)
• Add the possibility to manage custom limit conditions different than just a max rate, like percentage, etc. (Issue #5)

Exhibition

• There is a blog post about it
• It's shared on social networks
• It's shared on reddit
• It's shared on hacker news with a title like Show HN: description

Examples

• It provides a sample application
• Examples of use are documented in the README or linked from there
• Simple benchmarks

Publish

• It's published on Hex.pm