Additional pihole dependency

src/freedombone-app-pihole

@@ -350,7 +350,7 @@ function remove_pihole {
 }
 
 function install_pihole {
-    apt-get -yq install dnsmasq curl
+    apt-get -yq install dnsmasq curl resolvconf
     adduser --disabled-login --gecos 'pi-hole' pihole
     usermod -a -G www-data pihole