Add Vercel configuration for domain verification

domains/_vercel.samuel-tuoyo.json

@@ -0,0 +1,9 @@
+{
+    "owner": {
+        "username": "samueltuoyo15",
+        "email": "samueltuoyo9082@gmail.com"
+    },
+    "records": {
+        "TXT": "vc-domain-verify=samuel-tuoyo.is-a.dev,0da2c8048732711e3742"
+    }
+}