Add Vercel configuration for domain verification

domains/_vercel.bram.json

@@ -0,0 +1,9 @@
+{
+    "owner": {
+        "username": "BramSuurdje",
+        "email": "contact@bramsuurd.nl"
+    },
+    "records": {
+        "TXT": "vc-domain-verify=bram.is-a.dev,e55a4983832a163f5aff"
+    }
+}