domains: add inwx provider

src/dns/digitalocean.js

@@ -84,7 +84,8 @@ async function upsert(domainObject, location, type, values) {
     const records = await getZoneRecords(domainConfig, zoneName, name, type);
 
     // used to track available records to update instead of create
-    let i = 0, recordIds = [];
+    let i = 0;
+    const recordIds = [];
 
     for (let value of values) {
         let priority = null;