Update instructions for sens project in SUPR

[bclaremar]

https://docs.uppmax.uu.se/getting_started/project_apply_bianca/
is not valid anymore since a radical change in rounds in SUPR.

[bclaremar]

Starting

[bclaremar]

Just made the images so far
continue with text

[bclaremar]

Let's double check if it is correct