docs(reporting-sample): publish example to GitHub Pages

## 1. Issue type

- [x] __Feature:__ I'm requesting a product enhancement.

As a consumer or contributor,
I want to see a sample report of code quality metrics covered and produced by the `maven-code-quality-pom`
In order to evaluate the quality of my code-base.

## 3. Acceptance criteria

- [x] 1. An example of the Maven site generated by `maven-code-quality-pom` is publicly available.
