feat: challenge registry-driven platform + XVI/XVII imports + admin toggle + domain rename

- Rename repo/domain: attack-defense-platform / attackdefense.imrnes.team (all refs replaced)
- challenge_registry.json: single source of truth (28 challs across gemastik18/xvi/xvii)
- teams.py: registry-driven CHALLENGES, set_challenge_enabled, sync_challenge_runtime
  (apply enable/disable to live teams: build/up or stop/remove + receiver restart)
- compose_gen.py: render per-team compose from canonical per-challenge templates
  (image reuse, per-team ports 30xxx, flag mounts, passwords)
- gen_canonical_composes.py: canonical docker-compose.yml for all services
- import_new_challenges.py: import XVI/XVII services + EOL base image fixes
  (debian:buster→bookworm, node:14→20, python:3.7-slim→3.11)
- receiver: xvi package (10 checkers) + xvii package (12 generic checkers),
  Challenge base reads PASSWORD_<team_port> from env; gen_receiver_main.py
  generates per-team main.py from registry
- main.py: /api/challenges returns full registry; PATCH /api/challenges/<name>
  toggles enabled + applies to live teams
- index.html: 🏗️ Challenge Manager tab (toggle per challenge, grouped by set)
- SLA bonus now dynamic (all enabled challenges, not hardcoded 6)

services/burvesigner/src/static/script.js

@@ -0,0 +1,8 @@
+function logout() {
+  document.cookie = "token=;";
+}
+
+setTimeout(function () {
+  let flashItem = document.getElementById("flashes");
+  flashItem.style.display = "none";
+}, 2000);

services/burvesigner/src/static/style.css

@@ -0,0 +1,60 @@
+body {
+  margin: 0;
+  padding: 0;
+  font-family: Arial, sans-serif;
+  background-color: #f4f4f4;
+}
+
+h1 {
+  text-align: center;
+  color: #333;
+  margin-top: 0;
+}
+
+.container {
+  max-width: 400px;
+  margin: 5% auto;
+  margin-bottom: 0;
+  background-color: #fff;
+  padding: 20px;
+  border-radius: 5px;
+  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
+}
+
+input {
+  width: 100%;
+  padding: 10px;
+  margin-bottom: 10px;
+  border: 1px solid #ccc;
+  border-radius: 3px;
+  box-sizing: border-box;
+}
+
+input[type="submit"] {
+  width: 100%;
+  padding: 10px;
+  background-color: #007bff;
+  color: #fff;
+  border: none;
+  border-radius: 3px;
+  cursor: pointer;
+}
+
+p {
+  margin: 10px 0;
+}
+
+#flashes {
+  max-width: 400px;
+  margin: 0 auto;
+  list-style: none;
+  padding: 0;
+  margin-top: 20px;
+  text-align: center;
+}
+
+#flashes li {
+  color: #ff6b6b;
+  padding: 5px;
+  border-radius: 3px;
+}