update citation file

CITATION.cff

@@ -1,36 +1,52 @@
 cff-version: 1.2.0
-message: "If you use this software, please cite it as below."
+message: >-
+  If you use this software, please cite it using the metadata from this file.
+type: software
+title: 'specparam: spectral parameterization'
+authors:
+- given-names: 'Thomas'
+  family-names: 'Donoghue'
+  orcid: 'https://orcid.org/0000-0001-5911-0472'
+- given-names: 'Ryan'
+  family-names: 'Hammonds'
+- given-names: 'Bradley'
+  family-names: 'Voytek'
+  orcid: 'https://orcid.org/0000-0003-1640-2525'
+repository-code: 'https://github.com/fooof-tools/fooof'
+url: 'https://fooof-tools.github.io/'
+license: Apache-2.0
 preferred-citation:
   type: article
   authors:
-  - family-names: "Donoghue"
-    given-names: "Thomas"
-    orcid: "https://orcid.org/0000-0001-5911-0472"
-  - family-names: "Haller"
-    given-names: "Matar"
-  - family-names: "Peterson"
-    given-names: "Erik J"
-  - family-names: "Varma"
-    given-names: "Paroma"
-  - family-names: "Sebastian"
-    given-names: "Priyadarshini"
-  - family-names: "Gao"
-    given-names: "Richard"
-  - family-names: "Noto"
-    given-names: "Torben"
-  - family-names: "Lara"
-    given-names: "Antonio H"
-  - family-names: "Wallis"
-    given-names: "Joni D"
-  - family-names: "Knight"
-    given-names: "Robert T"
-  - family-names: "Shestyuk"
-    given-names: "Avgusta"
-  - family-names: "Voytek"
-    given-names: "Bradley"
-  doi: "10.1038/s41593-020-00744-x"
-  journal: "Nature Neuroscience"
-  title: "Parameterizing neural power spectra into periodic and aperiodic components"
+  - given-names: 'Thomas'
+    family-names: 'Donoghue'
+    orcid: 'https://orcid.org/0000-0001-5911-0472'
+  - given-names: 'Matar'
+    family-names: 'Haller'
+  - given-names: 'Erik J'
+    family-names: 'Peterson'
+  - given-names: 'Paroma'
+    family-names: 'Varma'
+  - given-names: 'Priyadarshini'
+    family-names: 'Sebastian'
+  - given-names: 'Richard'
+    family-names: 'Gao'
+  - given-names: 'Torben'
+    family-names: 'Noto'
+  - given-names: 'Antonio H'
+    family-names: 'Lara'
+  - given-names: 'Joni D'
+    family-names: 'Wallis'
+  - given-names: 'Robert T'
+    family-names: 'Knight'
+  - given-names: 'Avgusta'
+    family-names: 'Shestyuk'
+  - given-names: 'Bradley'
+    family-names: 'Voytek'
+    orcid: 'https://orcid.org/0000-0003-1640-2525'
+  doi: '10.1038/s41593-020-00744-x'
+  journal: 'Nature Neuroscience'
+  title: 'Parameterizing neural power spectra into periodic and aperiodic components'
   issue: 12
   volume: 23
   year: 2020