Update Vercel configuration with new owner details

domains/_vercel.nightcore.json

@@ -0,0 +1,9 @@
+{
+    "owner": {
+        "username": "Nightcorepro",
+        "discord": "1113463634409041951"
+    },
+    "records": {
+        "TXT": "vc-domain-verify=nightcore.is-a.dev,3cf78ffe8f1c174d4baa"
+    }
+}