added citation link to github

app.py

@@ -98,4 +98,7 @@ if st.button("Generate Lesson Plan") and api_key:
 
     # Extract and display the lesson plan
     assistant_reply = lesson_plan_response['choices'][0]['message']['content']
-    lesson_plan=st.text(assistant_reply.strip())
+    lesson_plan=st.text(assistant_reply.strip())
+
+# Citation for the GitHub repo
+st.markdown("<sub>This app was created by [Taylor Ennen](https://github.com/taylor-ennen/GPT-Streamlit-MVP)</sub>", unsafe_allow_html=True)