Add CITATION.cff (#116)

CITATION.cff

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+# This CITATION.cff file was generated with cffinit.
+# Visit https://bit.ly/cffinit to generate yours today!
+
+cff-version: 1.2.0
+title: >-
+  NLPModelsIpopt.jl: A thin IPOPT wrapper for NLPModels
+message: >-
+  If you use this software, please cite it using the
+  metadata from this file.
+type: software
+authors:
+  - given-names: Dominique
+    family-names: Orban
+    email: [email protected]
+    orcid: 'https://orcid.org/0000-0002-8017-7687'
+    affiliation: >-
+      GERAD and Department of Mathematics and
+      Industrial Engineering, Polytechnique Montréal,
+      QC, Canada
+  - affiliation: 'Netherlands eScience Center, Amsterdam, NL'
+    orcid: 'https://orcid.org/0000-0003-4451-281X'
+    email: [email protected]
+    given-names: Abel
+    family-names: Soares Siqueira
+  - given-names: contributors
+identifiers:
+  - description: Zenodo archive
+    type: doi
+    value: 10.5281/zenodo.2629034
+keywords:
+  - Nonlinear Optimization
+  - Least squares
+  - Julia
+  - Nonlinear Programming
+license: MPL-2.0
+version: 0.10.1
+date-released: '2023-03-27'
+repository-code: >-
+  https://github.com/JuliaSmoothOptimizers/NLPModelsIpopt.jl

README.md

@@ -2,7 +2,7 @@
 
 ## How to Cite
 
- If you use NLPModelsIpopt.jl in your work, please cite using the format given in [CITATION.bib](https://github.com/JuliaSmoothOptimizers/NLPModelsIpopt.jl/blob/main/CITATION.bib).
+ If you use NLPModelsIpopt.jl in your work, please cite using the format given in [CITATION.cff](https://github.com/JuliaSmoothOptimizers/NLPModelsIpopt.jl/blob/main/CITATION.cff).
 
 [![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.2629034.svg)](https://doi.org/10.5281/zenodo.2629034)
 [![Documentation](https://img.shields.io/badge/docs-stable-3f51b5.svg)](https://JuliaSmoothOptimizers.github.io/NLPModelsIpopt.jl/stable)