Add CITATION.cff

[cbueth]

Add file with preferred citation.

cff-version: 1.2.0
message: "If you use this source code, please cite it as below. Cite the journal article separately."
title: Future-EI
type: software
authors:
    - family-names: "Büth"
      given-names: "Carlson Moses"
      orcid: "https://orcid.org/0000-0003-2298-8438"
    - family-names: "Black"
      given-names: "Ben"
      orcid: "https://orcid.org/0000-0002-8113-2114"
repository-code: 'https://github.com/ethzplus/evoland-plus-HPC/'
url: 'https://ethzplus.github.io/evoland-plus-HPC/'  # keep here or get own domain?
keywords:
    - ...
license: MIT
version: 0.0.0 #TODO

# add when code published
# doi: 10.5281/zenodo.0000
# date-released: YYYY-MM-DD

# add when article published
# preferred-citation:
#   type: article
#   authors:
#     - family-names: "Black"
#       given-names: "Ben"
#       orcid: "https://orcid.org/0000-0002-8113-2114"
#     - family-names: "Büth"
#       given-names: "Carlson Moses"
#       orcid: "https://orcid.org/0000-0003-2298-8438"
#     - family-names: "..."
#       given-names: "..."
#       orcid: "https://orcid.org/..."
#   doi: "10.0000/00000"
#   journal: "JOURNAL"
#   month: 1
#   start: 1
#   end: 2
#   title: "Identifying robust conservation strategies to secure ecosystem service provision under uncertainties"
#   issue: 1
#   volume: 1
#   year: YYYY
#   abstract: "ABSTRACT"