Update app file

app.py

@@ -21,7 +21,7 @@ st.title('P&ID Object Detection')
 st.subheader(' Identify valves and pumps with deep learning model ', divider='rainbow')
 st.caption('Developed by Deep Drawings Co.')
 
-col1, col2, col3 = st.columns(3, gap='large')
+col1, col2, col3 = st.columns(3, gap='medium')
 with col1:
     with st.expander('How to use it'):
         st.markdown(
@@ -79,3 +79,9 @@ with col3:
         value = 0.8,
         step = 0.05
     )
+
+st.write('##')
+
+col1, col2, col3 = st.columns([2, 1, 2])
+with col2:
+    submit = st.button("🚀 Perform Prediction")