feat(cluster): implement cloudflare-ddns cronjob in networking namespace

Signed-off-by: Devin Buhl <devin@buhl.casa>

configure.sh

@@ -50,6 +50,8 @@ main() {
             > "${PROJECT_DIR}/cluster/base/cluster-secrets.sops.yaml"
         envsubst < "${PROJECT_DIR}/tmpl/cluster/cert-manager-secret.sops.yaml" \
             > "${PROJECT_DIR}/cluster/core/cert-manager/secret.sops.yaml"
+        envsubst < "${PROJECT_DIR}/tmpl/cluster/cloudflare-ddns-secret.sops.yaml" \
+            > "${PROJECT_DIR}/cluster/apps/networking/cloudflare-ddns/secret.sops.yaml"
         sops --encrypt --in-place "${PROJECT_DIR}/cluster/base/cluster-secrets.sops.yaml"
         sops --encrypt --in-place "${PROJECT_DIR}/cluster/core/cert-manager/secret.sops.yaml"
         # terraform