upgraded to symfony 4 #74 (#81)

src/DependencyInjection/Configuration.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace App\DependencyInjection;
+
+use Symfony\Component\Config\Definition\Builder\TreeBuilder;
+use Symfony\Component\Config\Definition\ConfigurationInterface;
+
+/**
+ * This is the class that validates and merges configuration from your app/config files
+ *
+ * To learn more see {@link http://symfony.com/doc/current/cookbook/bundles/extension.html#cookbook-bundles-extension-config-class}
+ */
+class Configuration implements ConfigurationInterface
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function getConfigTreeBuilder()
+    {
+        $treeBuilder = new TreeBuilder();
+        $rootNode = $treeBuilder->root('kimai');
+
+        // FIXME add kimai config
+        $rootNode
+            ->children()
+                ->arrayNode('timesheet')
+                ->children()
+                    ->integerNode('round_record')->end()
+                ->end()
+            ->end()
+        ->end()
+        ;
+
+        return $treeBuilder;
+    }
+}