Update README with environment and fix small typo

.gitignore

@@ -1,3 +1,6 @@
+/data
+results/
+
 *.tfevents*
 figures
 *.bak

environment.yml

@@ -0,0 +1,10 @@
+name: energy-transformer-torch
+channels:
+  - pytorch
+  - conda-forge
+  - defaults
+  - anaconda
+dependencies:
+  - python=3.10
+  - pip>=20.0.0
+  - ipykernel

readme.md

@@ -7,8 +7,11 @@ This is the official repository for the Energy Transformer (ET) written in PyTor
 
 # Installation
 ```
+conda env create -f environment.yml
+conda activate energy-transformer-torch
 pip install -r requirements.txt
 ```
+
 If you encounter trouble with installing PyTorch, see https://pytorch.org for further instructions. Credits to [Ben Hoover](https://github.com/bhoov) for the diagrams.
 
 <p float="center">
@@ -74,7 +77,7 @@ python train_mask_image_et.py \
     --time_steps 12 \
     --blocks 1 \
     --epochs 1000 \
-    --avg_gpus False \
+    --avg_gpu False \
     --result_path ./my_et \
     --batch_size 128 \
     --learning_rate 5e-5 \