add mod descr to path page

view/view_career_unit.php

 <?php
 
 $careerId = required_param("career", PARAM_INT);
-global $DB;
+global $DB, $CFG, $COURSE;
 $requete = $DB->get_record_sql('SELECT * FROM {block_career} WHERE id = ?', array($careerId));
 
 $percent = 70;
@@ -51,13 +51,15 @@ foreach ($sections as $value){
 $sections = array_combine($keys,$sections);
 ksort($sections);
 
+$cours_url = $CFG->wwwroot . "/course/view.php?id=" . $COURSE->id;
 
 ?>
 
 
 <section class="section">
-	<h2 class="display-4"><?=$titre;?></h2>
-	<div class="career-descr">
+	<h2 class="display-4" style="float: left;"><?=$titre;?></h2>
+	<a class="btn btn-primary" style="float: right;" href="<?php echo $cours_url; ?>">Retour au cours</a>
+	<div class="career-descr" style="clear: both;">
 		<?php echo $intro; ?>
 	</div>
 	<?php foreach ($sections as $section) : ?>
@@ -78,7 +80,7 @@ ksort($sections);
 								</h5>
 								<img class="" alt="" src="<?php echo $CFG->wwwroot ?>/theme/image.php/boost/<?php echo $value->type ?>/1/icon>">
 							</div>
-							<!-- <div><?php echo $value->descrition;?></div> -->
+							<div><?php echo $value->descrition;?></div>
 						</a>
 					<?php endif;?>
 				<?php endforeach;?>