allow markdown in timesheet descriptions (#296)

src/DependencyInjection/AppExtension.php

@@ -75,6 +75,7 @@ class AppExtension extends Extension implements PrependExtensionInterface
         $container->setParameter('kimai.timesheet.rates', $config['timesheet']['rates']);
         $container->setParameter('kimai.timesheet.rounding', $config['timesheet']['rounding']);
         $container->setParameter('kimai.timesheet.duration_only', $config['timesheet']['duration_only']);
+        $container->setParameter('kimai.timesheet.markdown', $config['timesheet']['markdown_content']);
     }
 
     /**

src/DependencyInjection/Configuration.php

@@ -55,6 +55,9 @@ class Configuration implements ConfigurationInterface
                 ->booleanNode('duration_only')
                     ->defaultValue(false)
                 ->end()
+                ->booleanNode('markdown_content')
+                    ->defaultValue(false)
+                ->end()
                 ->arrayNode('rounding')
                     ->requiresAtLeastOneElement()
                     ->useAttributeAsKey('key')