docs: add vercel verification record

domains/_vercel.fadlirmn.is-a.dev.json

@@ -0,0 +1,12 @@
+{
+  "owner": {
+    "username": "Fadlirmn",
+    "email": "haniffadlir@gmail.com"
+  },
+  "records": {
+    "TXT": [
+      "vc-domain-verify=fadlirmn.is-a.dev,0d8b170886c2300b952b",
+      "vc-domain-verify=www.fadlirmn.is-a.dev,81df1ee026a7c58a5396"
+    ]
+  }
+}