add resources

app.py

@@ -33,7 +33,7 @@ def read_markdown(path):
     st.markdown(output, unsafe_allow_html=True)   
 
 st.set_page_config(page_icon=":laptop:", layout="wide")
-with open(, "r") as f:
+with open("utils/table_contents.txt", "r") as f:
     contents = f.read()
 st.sidebar.markdown(contents)