Update Streamlit app to extend cache duration for resource initialization from 60 to 300 seconds, improving performance. Add MongoDB URI to secrets.toml for secure database connection.

src/streamlit_app.py

@@ -16,7 +16,7 @@ def init_conn():
 
 db = init_conn()
 
-@st.cache_resource(ttl = 60)
+@st.cache_resource(ttl = 300)
 def init_baselines():
         collection = db["HR_Table"] 
         cursor = collection.find()