new: [version] show the cerebrate version and link to the release notes

Author: iglocska

src/Controller/AppController.php

@@ -145,6 +145,9 @@ public function beforeFilter(EventInterface $event)
         }
 
         $this->ACL->checkAccess();
+        $version = file_get_contents(ROOT . DS . 'src' . DS . 'VERSION.json');
+        $version = json_decode($version, true)['version'];
+        $this->set('cerebrate_version', $version);
         if (!$this->ParamHandler->isRest()) {
             $this->set('ajax', $this->request->is('ajax'));
             $this->request->getParam('prefix');

templates/element/layouts/header/header-right.php

@@ -1,4 +1,7 @@
 <div class="d-flex">
+    <div class="global-search-container d-md-block d-none me-4">
+        <span><a style="text-decoration: none" class="link-light" href="https://cerebrate-project.org">Cerebrate</a> <a style="text-decoration: none" class="link-light" href="https://github.com/cerebrate-project/cerebrate/releases/tag/v<?= h($cerebrate_version) ?>">v<?= h($cerebrate_version) ?></a></span>
+    </div>
     <div class="global-search-container d-md-block d-none">
         <span class="search-input-container">
             <input type="text" class="form-control d-inline-block" id="globalSearch" placeholder="<?= __('Search in Cerebrate...') ?>">