Add JSON configuration for www.marc-d domain

domains/www.marc-d.json

@@ -0,0 +1,9 @@
+{
+    "owner": {
+        "username": "MarcD25",
+        "email": "doria.marcjacob@gmail.com"
+    },
+    "records": {
+        "CNAME": "https://marcd25-portfolio.netlify.app/"
+    }
+}