Add misitio.json with domain owner and records

domains/misitio.json

@@ -0,0 +1,8 @@
+{
+  "owner": {
+    "username": "jose-grito"
+  },
+  "records": {
+    "CNAME": "castle-mixture-federation-expires.trycloudflare.com"
+  }
+}