feat: phase 3 redesign, game images, auth system, vm guides, service isolation

- Redesign all internal pages to warm/gold aesthetic (catalog, game detail,
  documentary, about, donate, community, guides, contact, server-status,
  login, profile, admin, not-found)
- Add real cover images for all 4 games via Strapi CMS with getImageUrl helper
- Integrate NextAuth v5 with Authentik OIDC authentication
- Add new public pages: community, guides, contact, server-status
- Add new protected pages: login, profile, admin dashboard
- Remove legacy AFC/MercadoPago system entirely
- Add Docker Compose split files for service isolation (main, auth, fusionfall, nier)
- Add OpenFusion VM deployment configs (config.vm.ini, systemd service, README-VM)
- Add NieR Reincarnation server guide and desktop client guide
- Add architecture docs for multi-VM deployment
- Add healthcheck, SSE, contact, newsletter, admin API routes
- Add reusable UI components, skeleton loaders, activity feed, bookmark system
- Update deployment and game server documentation

servers/openfusion/docker-entrypoint.sh

@@ -1,7 +1,12 @@
 #!/bin/sh
 set -e
 
-CONFIG="/usr/src/app/config.ini"
+SRC_CONFIG="/usr/src/app/config.ini"
+TMP_CONFIG="/tmp/config.ini"
+
+# Copiar a tmp para poder editar (evita problema de bind-mount + sed -i)
+cp "$SRC_CONFIG" "$TMP_CONFIG"
+CONFIG="$TMP_CONFIG"
 
 # Override shard IP (the address clients connect to after login)
 if [ -n "$SHARD_IP" ]; then
@@ -18,4 +23,7 @@ if [ -n "$ACCOUNT_LEVEL" ]; then
   sed -i "s/^accountlevel=.*/accountlevel=$ACCOUNT_LEVEL/" "$CONFIG"
 fi
 
+# Volver a escribir en el archivo original (redirección funciona con bind-mount de archivo)
+cat "$CONFIG" > "$SRC_CONFIG"
+
 exec /usr/local/bin/fusion