Add Vercel domain verification configuration

domains/_vercel.joyalks.json

@@ -0,0 +1,9 @@
+{
+  "owner": {
+    "username": "joyalksdev",
+    "email": "joyalksdev@gmail.com"
+  },
+  "records": {
+    "TXT": "vc-domain-verify=joyalks.is-a.dev,97fd1605311c35d0f0cc"
+  }
+}