Website updates

### Describe the feature Update the website with various fixes. ### Motivation Update the website with various fixes. ### Projects the documentation website ### Code of Conduct - [x] I agree to follow this project's [Code of Conduct](https://github.com/AndreaPontrandolfo/sheriff/blob/master/CODE_OF_CONDUCT.md) - [x] I have read the [Contributing Guidelines on Issues](https://github.com/AndreaPontrandolfo/sheriff/blob/master/CONTRIBUTING.md#opening-a-new-issue). ### I will submit a PR - [x] I'd be willing to submit a PR for this issue.