Add support for zeit dns

TODO:
Use sed/awk for domain parsing (I am bad at it)
Write removal function
Use rest api instead of now cli

dnsapi/dns_zeit.sh

@@ -0,0 +1,19 @@
+#!/usr/bin/bash
+
+########  Public functions #####################
+
+#Usage: add  _acme-challenge.www.domain.com   "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
+dns_zeit_add() {
+  fulldomain=$1
+  txtvalue=$2
+  subdomain=$(echo $fulldomain | node -e "process.stdin.on('data',e=>console.log(e.toString().split('.').slice(0,-2).join('.')))")
+  domain=$(echo $fulldomain | node -e "process.stdin.on('data',e=>console.log(e.toString().split('.').slice(-2).join('.').trim()))")
+  now dns add $domain $subdomain TXT $txtvalue
+}
+
+#fulldomain txtvalue
+dns_zeit_rm() {
+  fulldomain=$1
+  txtvalue=$2
+
+}