Add cutouts for 2018

[trevorb1]

Feature Request

For residential and commercial demand profiles, they are based on a 2018 weather year.

Suggested Solution

We should add cutouts to the zenodo deposit for 2018 weather year.

Additional Info

No response

[trevorb1]

Data for this is based on Amy2018, note ERA5

[trevorb1]

Once this is done, dont forget to remove this code block from build_demand.py

##################################################################
## REMOVE THIS ONCE 2018 CUTOUTS ARE CREATED
##################################################################
df = df.reset_index()
df["snapshot"] = df.snapshot.map(lambda x: x.replace(year=2019))
df = df.set_index(["snapshot", "sector", "subsector", "fuel"])
##################################################################
## REMOVE THIS ONCE 2018 CUTOUTS ARE CREATED
##################################################################