Add support for Apple Pro Raw format (.DNG) (#60)

* Added '.dng' (AppleProRaw) to support file's type
* Added OpenCV python framework for uniform image resizer
* Added version number information

machine_learning/Dockerfile

@@ -13,6 +13,9 @@
 ## CPU BUILD
 FROM python:3.8 as cpu
 
+RUN apt-get update
+RUN apt-get install ffmpeg libsm6 libxext6  -y
+
 WORKDIR /code
 
 COPY ./requirements.txt /code/requirements.txt