Updating .gitignore to ignore images in test_images

.gitignore

@@ -119,13 +119,11 @@ deoldify/fastai
 fastai
 *.pth
 video
-test_images/James1.jpg
-test_images/James2.jpg
-test_images/James3.jpg
-test_images/James4.jpg
-test_images/James5.jpg
-test_images/James6.jpg
-test_images/image.png
-test_images/image.jpg
+test_images/*.jpg
+test_images/*.JPG
+test_images/*.PNG
+test_images/*.png
+test_images/*.jpeg
+test_images/*.JPEG 
 deoldify/.ipynb_checkpoints/*-checkpoint.py
 tmp*