Add Vercel configuration for domain verification

domains/_vercel.phc.json

@@ -0,0 +1,9 @@
+{
+    "owner": {
+        "username": "PHCavalcante",
+        "email": "pedhcavdsan1603@gmail.com"
+    },
+    "records": {
+        "TXT": "vc-domain-verify=phc.is-a.dev,05e2fdd6d3c160b93835"
+    }
+}