Added bookshelves homepage options

- Updated homepage selection UI to be more scalable
- Cleaned homepage selection logic in code
- Added seed test data for bookshelves
- Added bookshelves to permission system

resources/lang/en/common.php

@@ -52,6 +52,7 @@ return [
     'details' => 'Details',
     'grid_view' => 'Grid View',
     'list_view' => 'List View',
+    'default' => 'Default',
 
     /**
      * Header

resources/lang/en/entities.php

@@ -223,6 +223,7 @@ return [
         'message' => ':start :time. Take care not to overwrite each other\'s updates!',
     ],
     'pages_draft_discarded' => 'Draft discarded, The editor has been updated with the current page content',
+    'pages_specific' => 'Specific Page',
 
     /**
      * Editor sidebar

resources/lang/en/settings.php

@@ -32,9 +32,8 @@ return [
     'app_primary_color' => 'Application primary color',
     'app_primary_color_desc' => 'This should be a hex value. <br>Leave empty to reset to the default color.',
     'app_homepage' => 'Application Homepage',
-    'app_homepage_desc' => 'Select a page to show on the homepage instead of the default view. Page permissions are ignored for selected pages.',
-    'app_homepage_default' => 'Default homepage view chosen',
-    'app_homepage_books' => 'Or select the books page as your homepage. This will override any page selected as your homepage.',
+    'app_homepage_desc' => 'Select a view to show on the homepage instead of the default view. Page permissions are ignored for selected pages.',
+    'app_homepage_select' => 'Select a page',
     'app_disable_comments' => 'Disable comments',
     'app_disable_comments_desc' => 'Disable comments across all pages in the application. Existing comments are not shown.',