openwhisk-rust 0.1.5

OpenWhisk Client written in Rust
Documentation
# Pull Request Template

## Description
* Add description

Please select the options that are relevant.

- [ ] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
- [ ] This change requires a documentation update

## Checklist:

- [ ] Pull Request follow only a single responsibility.
- [ ] Code follows the style guidelines of this project
- [ ] Performed a self-review of my own code
- [ ] Commented my code, particularly in hard-to-understand areas
- [ ] Made corresponding changes to the documentation
- [ ] Changes generate no new warnings
- [ ] Added tests that prove fix is effective or the feature works
- [ ] New and existing unit tests pass locally with the changes
- [ ] Any dependent changes have been merged and published in downstream modules
- [ ] Checked the code and corrected any misspellings