add some images

app.py

@@ -112,9 +112,10 @@ img = image_select(
     images=[
         cv2.imread("images/edwards.jpg"),
         cv2.imread("images/edwards2.jpg"),
-        cv2.imread("images/buturlinovka1.jpg"),
+        cv2.imread("images/buturlinovka2.jpg"),
+        cv2.imread("images/engels.jpg"),
     ],
-    captions=["Edwards AFB 1", "Edwards AFB 2", "Buturlinovka District"],
+    captions=["Edwards AFB 1", "Edwards AFB 2", "Buturlinovka District", "Engels"],
 )
 
 # process image through detector