Add application file

requirements.txt

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+streamlit~=1.2.0

streamlit-app.py

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+import streamlit as st
+import numpy as np
+import pandas as pd
+
+map_data = pd.DataFrame(
+    np.random.randn(1000, 2) / [50, 50] + [37.76, -122.4],
+    columns=['lat', 'lon'])
+
+st.map(map_data)