Add Prowlarr. Grrowwwlllll!

scripts/build-insiders.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+docker build --build-arg FROM_SOURCE=ghcr.io/geek-cookbook/mkdocs-material-insiders . -t funkypenguin/mkdocs-material
+docker run --rm --name mkdocs-material -v ${PWD}:/docs funkypenguin/mkdocs-material build -f mkdocs-insiders.yml