Update CITATION.cff

Author: ahasverus

CITATION.cff

@@ -9,6 +9,9 @@ type: software
 license: GPL-2.0-or-later
 title: 'forcis: Handle the FORCIS Foraminifera Database'
 version: 1.0.1
+identifiers:
+- type: doi
+  value: 10.32614/CRAN.package.forcis
 abstract: Provides an interface to the 'FORCIS' database (Chaabane et al. (2024) <https://doi.org/10.5281/zenodo.7390791>)
   on global foraminifera distribution. This package allows to download and to handle
   'FORCIS' data. It is part of the FRB-CESAB working group FORCIS. <https://www.fondationbiodiversite.fr/en/the-frb-in-action/programs-and-projects/le-cesab/forcis/>.
@@ -46,6 +49,7 @@ preferred-citation:
   year: '2025'
   notes: R package version 1.0.1
   url: https://docs.ropensci.org/forcis/
+repository: https://CRAN.R-project.org/package=forcis
 repository-code: https://github.com/ropensci/forcis
 url: https://docs.ropensci.org/forcis/
 contact: