Enabled README rendering control via config

.env.example

@@ -6,6 +6,8 @@ REVERSE_SORT=false
 HIDE_APP_FILES=true
 HIDE_VCS_FILES=true
 
+DISPLAY_READMES=false
+
 DATE_FORMAT="Y-m-d H:i:s"
 
 MAX_HASH_SIZE=1000000000

app/Controllers/DirectoryController.php

@@ -107,6 +107,10 @@ class DirectoryController
      */
     protected function readme($path): ?SplFileInfo
     {
+        if (! $this->config->get('display_readmes', false)) {
+            return null;
+        }
+
         $readmes = Finder::create()->in($path)->depth(0)->name('/^README(?:\..+)?$/i');
         $readmes->filter(function (SplFileInfo $file) {
             return (bool) preg_match('/text\/.+/', mime_content_type($file->getPathname()));
@@ -115,12 +119,12 @@ class DirectoryController
             return $file1->getExtension() <=> $file2->getExtension();
         });
 
-        if ($readmes->hasResults()) {
-            $readmeArray = iterator_to_array($readmes);
-
-            return array_shift($readmeArray);
+        if (! $readmes->hasResults()) {
+            return null;
         }
 
-        return null;
+        $readmeArray = iterator_to_array($readmes);
+
+        return array_shift($readmeArray);
     }
 }

app/config/app.php

@@ -42,6 +42,13 @@ return [
      */
     'hide_vcs_files' => Helpers::env('HIDE_VSC_FILES'),
 
+    /**
+     * Parse and render README files on the page.
+     *
+     * Default value: false
+     */
+    'display_readmes' => Helpers::env('DISPLAY_READMES'),
+
     /**
      * The maximum file size (in bytes) that can be hashed. This helps to
      * prevent timeouts for excessively large files.
@@ -50,13 +57,6 @@ return [
      */
     'max_hash_size' => Helpers::env('MAX_HASH_SIZE'),
 
-    /**
-     * Parse and render README files inline.
-     *
-     * Default value: true
-     */
-    'render_readme' => Helpers::env('RENDER_README', true),
-
     /**
      * Additional providers to be loaded during application initialization.
      *