Add Vercel domain verification configuration

domains/_vercel.danielpm.json

@@ -0,0 +1,9 @@
+{
+    "owner": {
+        "username": "DanielPMdev",
+        "email": "danielpm.dev@gmail.com"
+    },
+    "record": {
+        "TXT": "vc-domain-verify=danielpm.is-a.dev,a2c78d0652a9767f09da"
+    }
+}