Open a Unity Project and inside the editor select Assets > Import Package > Custom Package... > UnityLoggerExtended.unitypackage
Under the UnityLoggerExtended/Examples folder, you have a basic scene and script for some usage examples.
Under the UnityLoggerExtended/Scripts folder, you will find the Console class which acts as a wrapper for Unity's Debug class for logs.
Note: This package was made using Unity 2020.3.25f1