Show sks keyserver onion address on about screen

src/freedombone-controlpanel

         echo -n -e "$(pad_string ${DEFAULT_DOMAIN_NAME})"
         echo "$(cat ${COMPLETION_FILE} | grep 'email onion domain' | awk -F ':' '{print $2}')"
     fi
+    if grep -q "sks onion domain" $COMPLETION_FILE; then
+        read_config_param "KEYSERVER_DOMAIN_NAME"
+        echo -n -e "$(pad_string 'SKS')"
+        echo -n -e "$(pad_string ${KEYSERVER_DOMAIN_NAME})"
+        echo "$(cat ${COMPLETION_FILE} | grep 'sks onion domain' | awk -F ':' '{print $2}')"
+    fi
 
     for app_name in "${APPS_INSTALLED_NAMES[@]}"
     do