added video placeholder

app.py

@@ -9,7 +9,9 @@ with gr.Blocks(title='Cabasus') as cabasus_sensor:
         csv_file_box = gr.File(label='Upload CSV File') 
         with gr.Row():
             processed_file_box = gr.File(label='Processed CSV File') 
-            json_file_box = gr.File(label='Generated Json file') 
+            json_file_box = gr.File(label='Generated Json file')
+            
+        video_box = gr.PlayableVideo(label='Video box')
         with gr.Row():
             slice_size_slider = gr.inputs.Slider(16, 512, 1, 64, label="Slice Size")
             sample_rate = gr.inputs.Slider(1, 199, 1, 20, label="Sample rate")