add README file

notebooks/images_cropping/README.md

@@ -7,4 +7,8 @@
 TIP: Despite two outer loops iterating through ready-made data organization file, you can iterate through files in one directory using one loop:
 ```
 for path in Path(CIRCLE_PATH).glob('*_spmk_1.0.png'):
-```
+```
+
+Example of different scale of spike on cropped images and model prediction of its spikelets:
+
+![alt text](Scale.png)