Added rest example

Author: jbonzo

rest-example.py

@@ -0,0 +1,13 @@
+from polygon import RESTClient
+
+
+def main():
+    key = "your api key"
+    client = RESTClient(key)
+
+    resp = client.stocks_equities_daily_open_close("AAPL", "2018-3-2")
+    print(f"On: {resp.from_} Apple opened at {resp.open} and closed at {resp.close}")
+
+
+if __name__ == '__main__':
+    main()