feat: add PHP-based authentication system for manual with access logging

- Add login.php, auth.php, and auth.config.php for manual access control
- Create logout.php for session management
- Add .htaccess to route /manual/ requests to PHP-based index
- Create logs directory and access.log for tracking manual visits
- Update deployment script to upload PHP authentication files and logs
- Add rewrite rule to ensure /manual/ uses login-guarded PHP version
- Keep static index.html as fallback for direct

deploy_to_hetzner.sh

@@ -23,15 +23,34 @@ cd img
 put -r $LOCAL_DIR/img/*
 cd ..
 
-# Manual (HTML + Bilder)
+# Manual (HTML + Bilder + PHP + Logs)
 mkdir manual
 cd manual
+
+# statische HTML-Variante (Fallback / Direktaufrufe)
 put -r $LOCAL_DIR/manual/index.html
+
+# PHP-basierte Manual-/Login-Dateien
+put -r $LOCAL_DIR/manual/.htaccess
+put -r $LOCAL_DIR/manual/index.php
+put -r $LOCAL_DIR/manual/login.php
+put -r $LOCAL_DIR/manual/auth.config.php
+put -r $LOCAL_DIR/manual/auth.php
+put -r $LOCAL_DIR/manual/logout.php
+
+# Manual-Bilder
 put -r $LOCAL_DIR/manual/beacon-front.jpg
 mkdir img
 cd img
 put -r $LOCAL_DIR/manual/img/*
 cd ..
+
+# Log-Verzeichnis für Zugriffsprotokolle
+mkdir logs
+cd logs
+put -r $LOCAL_DIR/manual/logs/access.log
+cd ..
+
 cd ..
 bye
 EOF