Readme refers to pelicanconf.py which has been removed

[sebbASF]

https://github.com/apache/template-site/tree/main/theme/apache/templates#readme

[sebbASF]

As does https://github.com/apache/template-site/blob/eebd940a9b1c9e499985fc273ad0ad9c15b6d18a/theme/apache/templates/base.html