Add Streamlit version of the app

streamlit_app.py

@@ -388,12 +388,15 @@ clicked_example = None
 if not example_files:
     st.warning("No example videos found in ./test_videos directory.")
 else:
-    # Create columns for example buttons
+    # Create columns for examples
     cols = st.columns(len(example_files))
     for i, example_file in enumerate(example_files):
+        example_full_path = os.path.join(example_video_dir, example_file)
         with cols[i]:
-            if st.button(f"Use Example: {example_file}"):
-                clicked_example = os.path.join(example_video_dir, example_file)
+            st.markdown(f"**{example_file}**") # Display filename
+            st.video(example_full_path) # Display the video
+            if st.button(f"Use Example: {example_file}", key=f"ex_{i}"): # Use unique key for buttons
+                clicked_example = example_full_path
 # --- End Example Videos Section ---
 
 process_button_main = st.button("Detect Mites from Uploaded Video")