Fix for #94

Header images were missing from the archive and tags pages, so this is a
patch to make sure those are working again.

brain/api/v1/SettingsAPI.php

@@ -38,6 +38,7 @@ class SettingsAPI
                 } else {
                     $render = new Render();
                     if (isset($themeConfig['render'])) {
+                        //rendering for one page sites
                         if (!$themeConfig['render'] || $themeConfig['render'] === 'false') {
                             $render->renderIndex();
                             $result = [

brain/data/Render.php

@@ -136,6 +136,7 @@ class Render
             'archives'   => $archive,
             'info'       => $this->pageInfo,
             'menu'       => $this->menu,
+            'media'      => [['file' => $this->pageInfo['image'], 'type' => trim(pathinfo($this->pageInfo['image'], PATHINFO_EXTENSION))]],
         ];
 
         $html     = $this->twig->render($template, $pageOptions);
@@ -154,6 +155,7 @@ class Render
                 'tag_list'   => $item['pages'],
                 'info'       => $this->pageInfo,
                 'menu'       => $this->menu,
+                'media'      => [['file' => $this->pageInfo['image'], 'type' => trim(pathinfo($this->pageInfo['image'], PATHINFO_EXTENSION))]],
             ];
 
             $html = $this->twig->render($template, $pageOptions);