Update src/streamlit_app.py

src/streamlit_app.py

@@ -7,7 +7,7 @@ st.set_page_config(layout="wide")
 st.title("🧲 CesiumJS Footfall Drag-Drop Demo")
 
 # Load footfall data
-df = pd.read_excel("jj_with_footfall.xlsx").dropna(subset=["latitude", "longitude"])
+df = pd.read_excel("data/jj_with_footfall.xlsx").dropna(subset=["latitude", "longitude"])
 features = [
     {
         "type": "Feature",