add citation file

packages/plugin-headphone-check/CITATIONS.cff

@@ -0,0 +1,21 @@
+cff-version: 1.2.0
+title: >-
+  Headphone screening to facilitate web-based auditory
+  experiments
+message: >-
+  If you use this plugin, please cite it using the
+  metadata from this file.
+type: software
+authors:
+  - given-names: Kevin J. P.
+    family-names: Woods
+    orcid: 'https://orcid.org/0000-0003-3981-9235'
+  - given-names: Max H.
+    family-names: Siegel
+  - given-names: James
+    family-names: Traer
+  - given-names: Josh H.
+    family-names: McDermott
+identifiers:
+  - type: doi
+    value: 10.3758/s13414-017-1361-2

packages/plugin-headphone-check/src/index.ts

@@ -135,6 +135,8 @@ const info = <const>{
       },
     },
   },
+  // prettier-ignore
+  citations: '__CITATIONS__',
 };
 
 type Info = typeof info;