feat: configurable table of contents levels

src/Commands/BuildCommand.php

@@ -196,9 +196,7 @@ class BuildCommand extends Command
 
         $pdf->setAutoBottomMargin = 'pad';
 
-        $tocLevels = [
-            'H1' => 0, 'H2' => 1
-        ];
+        $tocLevels = $config['toc_levels'];
 
         $pdf->h2toc = $tocLevels;
         $pdf->h2bookmarks = $tocLevels;

stubs/ibis.php

@@ -33,6 +33,14 @@ return [
         'margin_top' => 14,
     ],
 
+    /**
+     * Table of Contents Levels
+     */
+    'toc_levels' => [
+        'H1' => 0,
+        'H2' => 1,
+    ],
+
 
     /**
      * Cover photo position and dimensions
@@ -49,7 +57,7 @@ return [
     'sample' => [
         [1, 3],
         [80, 85],
-        [100, 103]
+        [100, 103],
     ],