Add env and update readme

.gitignore

+venv
+env

README.md

 # Hackathon
 A GAN project.
+
+# Environement
+python3 -m venv env
+
+# Activate venv each time you restart your terminal or IDE
+source env/bin/activate 
+
+# Install some lib
+pip install pandas
+pip install tensorflow
+pip install keras