Update app.py

app.py

@@ -737,4 +737,16 @@ if st.button(f"Calculate {custom_formula}"):
             except Exception as e:
                 st.error(f"An error occurred during processing: {str(e)}")
     else:
-        st.warning("Please upload a file to proceed.")
+        st.warning("Please upload a file to proceed.")
+
+# Footer with developer credit
+st.markdown(
+    """
+    <hr>
+    <div style="text-align: center;">
+        <p>Developed by <a href="https://huggingface.co/YashMK89" target="_blank">YashMK89</a> | 
+        <a href="https://huggingface.co/AgricultureLab2024" target="_blank">AgricultureLab</a></p>
+    </div>
+    """,
+    unsafe_allow_html=True
+)