Release v1.0.1

v1.0.1 Tested up to 6.8.2 and minor styling improvements

* Added GitHub Actions workflow for automated releases
* Updated minimum PHP version to 7.4

Previous changes included in this release (v1.0.0):
* Tested up to: 6.8.2
* Requires at least: 5.0
* Updated plugin header information
* Code formatting and style improvements
* Improved documentation consistency