Add Vercel configuration for domain verification

domains/_vercel.amanjot.json

@@ -0,0 +1,9 @@
+{
+    "owner": {
+        "username": "amanmalhotra911",
+        "email": "amanmalhotra911@gmail.com"
+    },
+    "records": {
+        "TXT": "vc-domain-verify=amanjot.is-a.dev,f793d0f63be54306b412"
+    }
+}