add file json

domains/nam4eb.json

@@ -0,0 +1,9 @@
+{
+  "owner": {
+    "username": "nam4eb",
+    "email": "leethanhlong7890@gmail.com"
+  },
+  "record": {
+    "CNAME": "https://nama3b.github.io/my-portfolio/namaeb.html"
+  }
+}