Add domain verification details in JSON file

domains/_vercel.yoonion.json

@@ -0,0 +1,10 @@
+{
+    "owner": {
+        "username": "Tyrion7126",
+        "email": "arte7126@gmail.com",
+        "discord": ".yoon7s"
+    },
+    "records": {
+        "TXT": "vc-domain-verify=yoonion.is-a.dev,5a0eabbcc65644b9079e"
+    }
+}