Add Vercel configuration for domain verification

domains/_vercel.xsifat.json

@@ -0,0 +1,12 @@
+{
+    "owner": {
+        "username": "MYB-SIFAT",
+        "email": "Sifatx404@gmail.com"
+    },
+    "records": {
+        "TXT": [
+            "vc-domain-verify=xsifat.is-a.dev,b91e2241d65e6f6a2c95",
+            "vc-domain-verify=www.xsifat.is-a.dev,b10dee23cc559bb7ff2f"
+        ]
+    }
+}