feat(domain): add youple.is-a.dev

domains/youple.json

@@ -0,0 +1,10 @@
+{
+    "owner": {
+        "username": "nagdongdev-0713",
+        "email": "lyw8459@gmail.com"
+    },
+
+    "record": {
+        "MX": ["aspmx.daum.net."]
+    }
+}