Add Vercel domain verification JSON configuration

domains/_vercel.khayredine.json

@@ -0,0 +1,12 @@
+{
+    "owner": {
+        "username": "KhayredineG",
+        "email": "khayredinegabsi@gmail.com"
+    },
+    "records": {
+        "TXT": [
+            "vc-domain-verify=khayredine.is-a.dev,2dfbdd0355ffc93452b9",
+            "vc-domain-verify=www.khayredine.is-a.dev,e4caf29cee77539403b1"
+        ]
+    }
+}