add delete-pr-preview to mkdocs.yml

Author: christiansiegel

mkdocs.yml

@@ -17,6 +17,7 @@ nav:
     - create-preview: commands/create-preview.md
     - create-pr-preview: commands/create-pr-preview.md
     - delete-preview: commands/delete-preview.md
+    - delete-pr-preview: commands/delete-pr-preview.md
     - deploy: commands/deploy.md
     - sync-apps: commands/sync-apps.md
     - version: commands/version.md