message: Fix build instructions to work on 20.04
diff: @@ -31,7 +31,6 @@ For C++ code to compile and the Python modules to install correctly, the followi
  ```bash
  sudo apt install -y \
  - install \
  make \
  time \
  lsb-release \
  @@ -67,7 +66,8 @@ sudo apt install -y \
  libavutil-dev \
  libavcodec-dev \
  libavformat-dev \
  - libavdevice-dev
  + libavdevice-dev \
  + libv8-dev
  ```
  ## Installing Docker
  