Add float8 example

[james77777778]

I've also created a colab for this example: https://colab.research.google.com/drive/1U0zZ1DqmqJgOHdnmZVk2cNFITONyJXaR

cc @fchollet

[james77777778]

Excellent -- the code and copy is looking great. Please add the generated files.

Added

I have reduced the output string by adding -q to wget