Adding APP_VIEWS_BOOKSHELF to .ENV

.env.example.complete

@@ -250,6 +250,7 @@ DRAWIO=true
 # Can be 'list' or 'grid'.
 APP_VIEWS_BOOKS=list
 APP_VIEWS_BOOKSHELVES=grid
+APP_VIEWS_BOOKSHELF=grid
 
 # Use dark mode by default
 # Will be overriden by any user/session preference.

app/Config/setting-defaults.php

@@ -28,6 +28,7 @@ return [
     'user' => [
         'dark-mode-enabled' => env('APP_DEFAULT_DARK_MODE', false),
         'bookshelves_view_type' => env('APP_VIEWS_BOOKSHELVES', 'grid'),
+        'bookshelf_view_type' =>env('APP_VIEWS_BOOKSHELF', 'grid'),
         'books_view_type' => env('APP_VIEWS_BOOKS', 'grid'),
     ],