fixxed main bp error

app/routes/main.py

@@ -16,6 +16,11 @@ def index():
     return render_template('index.html', configs=load_configs())
 """
 
+@main_bp.route('/configs/<path:filename>')
+def serve_config_file(filename):
+    return send_from_directory(app.config['CONFIG_DIR'], filename)
+    
+
 @main_bp.route('/load_config/<filename>')
 def load_config(filename):
     global current_config

templates/index.html

@@ -13,7 +13,7 @@
         <div class="col">
           <div class="card h-100 shadow-sm">
             {% if cfg.image %}
-              <img src="{{ url_for('serve_config_file', filename=cfg.image) }}"
+              <img src="{{ url_for('main.serve_config_file', filename=cfg.image) }}"
                    class="card-img-top" alt="{{ cfg.name }}"
                    style="height: 180px; object-fit: cover;">
             {% else %}
@@ -29,7 +29,7 @@
                 {{ cfg.hub_type | default('unbekannt') }}
               </p>
               <div class="mt-auto">
-                <a href="{{ url_for('load_config', filename=cfg.filename) }}"
+                <a href="{{ url_for('main.load_config', filename=cfg.filename) }}"
                    class="btn btn-primary w-100">
                   Auswählen & Steuern
                 </a>