Revert "removed pihole and weave gitops"

This reverts commit 1639d14a54.

pihole/dns-endpoint.yaml

@@ -0,0 +1,12 @@
+apiVersion: externaldns.k8s.io/v1alpha1
+kind: DNSEndpoint
+metadata:
+  name: pihole.michaelthomson.dev
+  namespace: pihole
+spec:
+  endpoints:
+  - dnsName: pihole.michaelthomson.dev
+    recordTTL: 180
+    recordType: CNAME
+    targets:
+    - server.michaelthomson.dev