Update app.py

app.py

@@ -436,7 +436,7 @@ def catalog():
     <body>
         <div class="container">
             <div class="header">
-                <img src="{{ url_for('static', filename='logo.png') }}" alt="Logo" class="header-logo">
+                <img src="{{ url_for('/', filename='logo.png') }}" alt="Logo" class="header-logo">
                 <h1>Каталог</h1>
                 <button class="theme-toggle" onclick="toggleTheme()">
                     <i class="fas fa-moon"></i>