Add reuse headers to every file

[maurerle]

The reuse specification is quite strict.
I don't like the added files in the inputs folder a lot, but that's the way it is.
I see myself in the comment from the reuse page:

think that .license files clutter the directory, or find it very strange that even insignificant non-code files get licensing headers.

https://reuse.software/faq/#tradition

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (e537ad6) 78.13% compared to head (1610991) 78.13%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #242   +/-   ##
=======================================
  Coverage   78.13%   78.13%           
=======================================
  Files          40       40           
  Lines        4198     4198           
=======================================
  Hits         3280     3280           
  Misses        918      918           

Flag	Coverage Δ
pytest	78.13% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
assume/__init__.py	100.00% <ø> (ø)
assume/cli.py	86.20% <ø> (ø)
assume/common/__init__.py	100.00% <ø> (ø)
assume/common/base.py	78.92% <ø> (ø)
assume/common/exceptions.py	0.00% <ø> (ø)
assume/common/forecasts.py	85.36% <ø> (ø)
assume/common/mango_serializer.py	58.06% <ø> (ø)
assume/common/market_objects.py	100.00% <ø> (ø)
assume/common/outputs.py	50.00% <ø> (ø)
assume/common/scenario_loader.py	88.77% <ø> (ø)
... and 30 more

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[nick-harder]

Ich hoffe, das ganze war von REUSE automatisiert, hahaha

[maurerle]

Ja es war tatsächlich nur:

pipx install reuse
pipx run reuse init
pipx run reuse annotate --license AGPL-3.0-or-later --recursive --copyright "ASSUME Developers" --exclude-year --skip-unrecognised .
pipx run reuse lint

Dann merge ich es jetzt :)