Update tsu.is-a.dev to redirect to tsu.ar

domains/tsu.json

@@ -1,9 +1,9 @@
 {
   "owner": {
-    "username": "dot-tsu",
+    "username": "tsu-ld",
     "email": "lucanahtsu@gmail.com"
   },
   "records": {
-    "CNAME": "dot-tsu.github.io"
+    "URL": "https://tsu.ar"
   }
 }