feat: add container security hardening and Fedimint setup wizard

Add --cap-drop=ALL, --security-opt=no-new-privileges:true to all
non-privileged containers. Per-app capability grants for apps needing
CHOWN/SETUID/SETGID. Read-only root filesystem with tmpfs for
compatible apps (searxng, grafana, uptime-kuma, filebrowser,
photoprism, vaultwarden). Add Fedimint "Create a Community" goal
with 4-step wizard. Fix deploy script cp -rf for audio directory.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

neode-ui/dev-dist/sw.js

@@ -82,7 +82,7 @@ define(['./workbox-21a80088'], (function (workbox) { 'use strict';
     "revision": "3ca0b8505b4bec776b69afdba2768812"
   }, {
     "url": "index.html",
-    "revision": "0.qmc1lepk3f"
+    "revision": "0.0ddc43l70qk"
   }], {});
   workbox.cleanupOutdatedCaches();
   workbox.registerRoute(new workbox.NavigationRoute(workbox.createHandlerBoundToURL("index.html"), {