README.md : Add descriptions for optional arguments (pytorch#712)

Signed-off-by: nbqu <[email protected]>

Author: soumith

vae/README.md

@@ -7,3 +7,13 @@ It uses ReLUs and the adam optimizer, instead of sigmoids and adagrad. These cha
 pip install -r requirements.txt
 python main.py
 ```
+The main.py script accepts the following arguments:
+
+```bash
+optional arguments:
+  --batch-size		input batch size for training (default: 128)
+  --epochs		number of epochs to train (default: 10)
+  --no-cuda		enables CUDA training
+  --seed		random seed (default: 1)
+  --log-interval	how many batches to wait before logging training status
+```