Add Buy Me a Coffee button to support future development

src/streamlit_app.py

@@ -410,3 +410,12 @@ st.markdown(
     "Created by [Jocelyn Skillman LMHC](http://www.jocelynskillman.com) | "
     "Learn more: [@jocelynskillmanlmhc](https://jocelynskillmanlmhc.substack.com/)"
 )
+st.markdown("""
+<div style='text-align: center; margin-top: 20px;'>
+    <p style='font-size: 0.9em;'>I hope to move into more full time work at this intersection but in the meantime if you found this tool helpful feel free to buy me a coffee ☕️</p>
+    <a href='https://buymeacoffee.com/JocelynSkillman' target='_blank'>
+        <img src='https://cdn.buymeacoffee.com/buttons/v2/default-yellow.png' alt='Buy Me A Coffee' style='height: 45px !important;width: 163px !important;'>
+    </a>
+    <p style='font-size: 0.9em;'>Thank you so much!!!! XO</p>
+</div>
+""", unsafe_allow_html=True)