Qatlibrary

This is a minor release. The updates introduces several optimizations and Bug fixes.

* Added Default Protocol as HTTP (if missing in csv file)
* Enhancement/Optimization: Response SLA validation is not enforced. Empty values in CSV file will skip response SLA validation
* Fixed README.md broken links and minor documentation updates
* Integrated GitHub Actions for QATLibrary build, test and publish to test pypi and pypi.

Features
* No coding required. Quick and easy implementation for REST API Tests.
* Run from CLI (CI/CD friendly).
* Store Test Data, Documentation and Assertions in CSV File.
* Authorization: Basic, Digest, OAuth1
* Run as a Robot Framework Library with Dynamic Test Generation Support.
* Supports all HTTP Methods, SSL Certificates, Proxy Server, Stream, Redirection, Request Timeout etc.
* Robot Framework based execution, reports and logs (CLI or Library).

Assertions
* Status Code
* JSON Schema
* Response Body
* Response Headers
* Response Time/SLA
* Server Certificate