Update app.py

app.py

@@ -37,6 +37,10 @@ st.sidebar.markdown("""
         - **WhatsApp**: [Click here to chat](https://wa.me/+8801719296601)
         - **HuggingFace Profile**: [Click here to access the HuggingFace Profile](https://huggingface.co/shukdevdatta123)
     """)
+
+st.sidebar.markdown("""
+        ### Courtesy: [NetworkX](https://networkx.org/documentation/stable/index.html)
+    """)
     
 
 # Display content when "Select an option" is chosen