Add calc_toggle to session state in app.py

- Introduced a new session state variable 'calc_toggle' to manage calculation toggling within the application.
- This addition enhances user interaction by allowing for better control over the calculation processes in the app.

app.py

@@ -81,6 +81,7 @@ with tab1:
         st.session_state['projections_df']['salary'] = (st.session_state['projections_df']['salary'].astype(str).str.replace(',', '').astype(float).astype(int))
         st.session_state['ownership_dict'] = dict(zip(st.session_state['ownership_dict']['Player'], st.session_state['ownership_dict']['Own']))
         st.session_state['actual_dict'] = dict(zip(st.session_state['actual_dict']['Player'], st.session_state['actual_dict']['FPTS']))
+        st.session_state['calc_toggle'] = True
 
 
 with tab2: