adding docker and jenkins files

docker_entrypoint

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+#!/bin/sh
+set -e
+
+# download mjpro150
+mkdir /root/.mujoco
+cd /root/.mujoco
+wget https://www.roboti.us/download/mjpro150_linux.zip
+unzip mjpro150_linux.zip
+
+# copy the mujoco license key into the container
+echo $MUJOCO_KEY | base64 --decode > /root/.mujoco/mjkey.txt
+export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/root/.mujoco/mjpro150/bin
+
+git clone https://github.com/deepmind/dm_control.git
+pip3 install ./dm_control
+
+export VIZDOOM_ROOT=`pip show vizdoom 2>/dev/null | awk '/Location/{print $2}'`/vizdoom
+
+cd /root/src/
+
+exec "$@"