Add nemgvn.json for domain configuration

domains/nemgvn.json

@@ -0,0 +1,9 @@
+{
+  "owner": {
+    "username": "nemgvn",
+    "email": "info@nemg.me"
+  },
+  "record": {
+    "CNAME": "nemgvn.github.io"
+  }
+}