Merge pull request #1436 from pi-hole/fix/dhcpcd-localhostNS

Update basic-install.sh dhcpcd.conf nameserver

automated install/basic-install.sh

@@ -408,7 +408,7 @@ setDHCPCD() {
   echo "interface ${PIHOLE_INTERFACE}
   static ip_address=${IPV4_ADDRESS}
   static routers=${IPv4gw}
-  static domain_name_servers=${IPv4gw}" | tee -a /etc/dhcpcd.conf >/dev/null
+  static domain_name_servers=127.0.0.1" | tee -a /etc/dhcpcd.conf >/dev/null
 }
 
 setStaticIPv4() {