Add mustapha-boulefa.json with domain details

domains/mustapha-boulefa.json

@@ -0,0 +1,9 @@
+{
+    "owner": {
+        "username": "Mustapha-bf",
+        "email": "mustapha.boulefa@gmail.com"
+    },
+    "record": {
+        "CNAME": "portfolio-gold-two-qt4nmphny8.vercel.app"
+    }
+}