add citation.cff file

CITATION.cff

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+cff-version: 1.2.0
+title: T-Scan
+message: >-
+  If you use this software, please cite it using the
+  metadata from this file.
+type: software
+authors:
+  - given-names: Rogier
+    family-names: Kraf
+  - given-names: Ko
+    name-particle: van der
+    family-names: Sloot
+    email: ko.vandersloot@let.ru.nl
+    affiliation: >-
+      Centre for Language and Speech Technology, Radboud
+      University
+  - given-names: Maarten
+    name-particle: van
+    family-names: Gompel
+    email: proycon@anaproy.nl
+    affiliation: >-
+      Centre for Language and Speech Technology, Radboud
+      University
+    orcid: 'https://orcid.org/0000-0002-1046-0006'
+  - given-names: Martijn
+    name-particle: van der
+    family-names: Klis
+    email: m.h.vanderklis@uu.nl
+    affiliation: 'Institute for Language Sciences, Utrecht University'
+  - given-names: Sheean
+    family-names: Spoel
+    email: s.j.j.spoel@uu.nl
+    affiliation: >-
+      Research Software Lab, Centre for Digital Humanities,
+      Utrecht University
+  - given-names: Luka
+    name-particle: van der
+    family-names: Plas
+    email: l.p.vanderplas@uu.nl
+    affiliation: >-
+      Research Software Lab, Centre for Digital Humanities,
+      Utrecht University
+    orcid: 'https://orcid.org/0000-0002-0217-7948'
+identifiers:
+  - type: doi
+    value: 10.5281/zenodo.595912
+repository-code: 'https://github.com/UUDigitalHumanitieslab/tscan'
+url: 'https://tscan.hum.uu.nl'
+abstract: >-
+  T-Scan is an analysis tool for dutch texts to assess the
+  complexity of the text
+license: AGPL-3.0
+references:
+  - authors:
+    - given-names: Rogier
+      family-names: Kraf
+    - given-names: Henk
+      family-names: Pander Maat
+    title: 'Leesbaarheidsonderzoek: oude problemen, nieuwe kansen'
+    type: article
+    identifiers:
+      - type: doi
+        value: 10.5117/TVT2009.2.LEES356
+  - authors:
+    - given-names: Henk
+      family-names: Pander Maat
+    - given-names: Rogier
+      family-names: Kraf
+    - given-names: Antal
+      name-particle: van den
+      family-names: Bosch
+    - given-names: Maarten
+      name-particle: van
+      family-names: Gompel
+    - given-names: Ko
+      name-particle: van der
+      family-names: Sloot
+    - given-names: Nick
+      family-names: Dekker
+    - given-names: Suzanne
+      family-names: Kleijn
+    - given-names: Ted
+      family-names: Sanders
+    title: 'T-Scan: a new tool for analyzing Dutch text'
+    type: article
+    url: 'http://www.clinjournal.org/sites/default/files/05-PanderMaat-etal-CLIN2014.pdf'
+  - authors:
+    - given-names: Rogier
+      family-names: Kraf
+    - given-names: Henk
+      family-names: Pander Maat
+    title: 'Handleiding T-Scan'
+    type: article
+    url: 'https://github.com/UUDigitalHumanitieslab/tscan/raw/master/docs/tscanhandleiding.pdf'
+keywords:
+  - nlp
+  - natural language processing
+  - readability
+  - feature extraction
+  - dutch