added requirements.txt and updated readme.md (#1624)

* added requirements.txt and updated readme.md

* Update examples/contrib/cifar10/README.md

Co-authored-by: vfdev <vfdev.5@gmail.com>

* Update examples/contrib/cifar10/requirements.txt

Co-authored-by: vfdev <vfdev.5@gmail.com>

Co-authored-by: vfdev <vfdev.5@gmail.com>

Author: sparkingdark

examples/contrib/cifar10/README.md

@@ -23,6 +23,8 @@ Configurations:
 - [python-fire](https://github.com/google/python-fire): `pip install fire`
 - Optional: [clearml](https://github.com/allegroai/clearml): `pip install clearml`
 
+Alternatively, install the all requirements using `pip install -r requirements.txt`.
+
 ## Usage:
 
 Run the example on a single GPU:

examples/contrib/cifar10/requirements.txt

@@ -0,0 +1,6 @@
+pytorch-ignite
+torchvision
+tqdm
+tensorboardX
+fire
+clearml