feat: register buzzer.modka.is-a.dev

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_015LghJDQACmG7c3GQpojtBR

domains/buzzer.modka.json

@@ -0,0 +1,9 @@
+{
+  "owner": {
+    "username": "modkavartini",
+    "email": "abhiramchandrasen@gmail.com"
+  },
+  "records": {
+    "CNAME": "quizdualbuzzer.netlify.app"
+  }
+}