Add Vercel configuration for domain verification

domains/_vercel.ahmadimam.json

@@ -0,0 +1,9 @@
+{
+    "owner": {
+        "username": "ahmad-imam",
+        "email": "ahmadimam71@gmail.com"
+    },
+    "records": {
+        "TXT": "vc-domain-verify=ahmadimam.is-a.dev,9c1ed570eb1629d2b684"
+    }
+}