Update app.py

Added licenses

app.py

@@ -1,9 +1,12 @@
 import streamlit as st
+# LICENSE.streamlit - https://github.com/streamlit/streamlit/blob/develop/LICENSE
 import pandas as pd
+# LICENSE.pandas - https://github.com/pandas-dev/pandas/blob/main/LICENSE
 from sklearn.model_selection import train_test_split
 from sklearn.naive_bayes import GaussianNB
 from sklearn.metrics import accuracy_score
 from sklearn.preprocessing import LabelEncoder
+# LICENSE.sklearn - https://github.com/scikit-learn/scikit-learn/blob/main/COPYING
 
 # Title of the app
 st.title("Scoring Engine")