add requirements file

requirements.txt

+certifi==2022.6.15
+charset-normalizer==2.1.0
+cycler==0.11.0
+fonttools==4.34.4
+idna==3.3
+kiwisolver==1.4.4
+matplotlib==3.5.3
+numpy==1.23.1
+opencv-python==4.6.0.66
+packaging==21.3
+pandas==1.4.3
+Pillow==9.2.0
+pydicom==2.3.0
+pyparsing==3.0.9
+python-dateutil==2.8.2
+pytz==2022.1
+requests==2.28.1
+six==1.16.0
+torch==1.12.1
+torchvision==0.13.1
+typing-extensions==4.3.0
+urllib3==1.26.11