Marketing material for IFRS17-Template

[dcolleoni]

define mvp

The name of the project (editorial projects from marketing) should be named after the video => same name as the video

[amuolo]

This issue is related to the 1st video series about Present Values.
Starting with the notebooks and input sheets used when filming, the aim is three-fold:

1. import the latest calculation engine, make sure that everything works reducing to minimum the number of changes
2. create and merge a Pull Request with an additional folder placed next to the calculation engine and full template folders
3. prepare the Readme.md (Overview) file (Andrea to provide text draft and visuals)