[core] Temporary Etherpad

[Jaime Jiménez]

As Etherpad seems down, we are using this one temporarily.

https://docs.google.com/document/d/14FAqRl6UooEWY_Iu3s948MVkdk9AYjHAo2YWjz0Z8RQ/edit <https://docs.google.com/document/d/14FAqRl6UooEWY_Iu3s948MVkdk9AYjHAo2YWjz0Z8RQ/edit>

Thanks!
- - Jaime Jiménez