Update min_len value to 25 in app.py

The commit updates the value of min_len from 50 to 25 in the app.py file. This change ensures that the minimum length slider has a default value of 25 instead of 50.

app.py

@@ -68,7 +68,7 @@ with gr.Blocks(theme=theme, analytics_enabled=False,css=css) as demo:
             min_len = gr.Slider(
                 minimum=1,
                 maximum=100,
-                value=50,
+                value=25,
                 step=1,
                 interactive=True,
                 label="Min Length",