add kornia to dockerfile

Author: edgarriba

Dockerfile

@@ -328,6 +328,7 @@ RUN pip install bcolz && \
     pip install notebook==5.5.0 && \
     pip install olefile && \
     pip install opencv-python && \
+    pip install kornia && \
     pip install pandas_summary && \
     pip install pandocfilters && \
     pip install pexpect && \