Add _vercel file for domain.

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

@@ -0,0 +1,10 @@
+{
+  "owner": {
+      "username": "Zaf0708",
+      "email": "zafroollah@gmail.com"
+  },
+  "records": {
+    "CNAME": "cname.vercel-dns.com",
+    "TXT": "vc-domain-verify=zafroollah.is-a.dev,7aaa78990e96c02ec9ad"
+  }
+}