ref #1: Add dri device mount for hardware acceleration

docker-run.sh

@@ -16,6 +16,8 @@ docker run -it \
     --volume=$XAUTH:$XAUTH:rw \
     --env="XAUTHORITY=${XAUTH}" \
     --env="DISPLAY" \
+    --device=/dev/dri \
+    --group-add video \
     --user="ros" \
     ceti-panda-gazebo-workspace \
     "$@"
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