https://storage.googleapis.com/deepmind-media/dqn/DQNNaturePaper.pdf
https://medium.com/@jonathan_hui/rl-dqn-deep-q-network-e207751f7ae4
https://deepmind.com/documents/119/agz_unformatted_nature.pdf
https://deepmind.com/research/alphago/
https://medium.com/@jonathan_hui/rl-imitation-learning-ac28116c02fc
https://arxiv.org/abs/1312.5602v1