Enable to open the .md file from Open in Studio Lab button

[icoxfog417]

Is your feature request related to a problem? Please describe.
A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]

Open in Studio Lab button can open the .ipynb file but can not open the .md file.

#11

Describe the solution you'd like

Open in Studio Lab button can open the .md file.
When the students push the Open in Studio Lab button on the GitHub repository of the lecture materials like Machine-Learning-with-Python, they can open the README.md that is top of the repository.

Describe alternatives you've considered
To direct some .ipynb file in the repository.

Additional context
(none)

[MicheleMonclova]

Thank you for this.