feat: move kubernetes dir into templates to support jinja2 across all files (#831)

template/templates/kubernetes/apps/networking/cloudflared/app/dnsendpoint.yaml.j2

@@ -0,0 +1,13 @@
+---
+apiVersion: externaldns.k8s.io/v1alpha1
+kind: DNSEndpoint
+metadata:
+  name: cloudflared
+  namespace: networking
+  annotations:
+    external-dns.alpha.kubernetes.io/target: "ingress.${SECRET_DOMAIN}"
+spec:
+  endpoints:
+    - dnsName: "ingress.${SECRET_DOMAIN}"
+      recordType: CNAME
+      targets: ["${SECRET_CLOUDFLARE_TUNNEL_ID}.cfargotunnel.com"]