Update journal-articles.yml

Add apaquarto tempate for APA7 style documents

Author: wjschne

docs/extensions/listings/journal-articles.yml

@@ -15,6 +15,12 @@
   author: "[quarto-journals](https://github.com/quarto-journals)"
   description: |
     American Geophysical Union (AGU)
+
+- name: apaquarto
+  path: https://github.com/wjschne/apaquarto
+  author: "[W. Joel Schneider](https://github.com/wjschne)"
+  description: |
+    Quarto template for American Psychological Association, Seventh Edition (APA7) style
     
 - name: biophysical
   path: https://github.com/quarto-journals/biophysical-journal