allow to pre-define colors to choose from (#2481)

src/Migrations/Version20210405105611.php

@@ -0,0 +1,40 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the Kimai time-tracking app.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace DoctrineMigrations;
+
+use App\Doctrine\AbstractMigration;
+use Doctrine\DBAL\Schema\Schema;
+
+/**
+ * Increase the configuration table column length
+ *
+ * @version 1.14
+ */
+final class Version20210405105611 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Increase the configuration table column length';
+    }
+
+    public function up(Schema $schema): void
+    {
+        $invoices = $schema->getTable('kimai2_configuration');
+        $invoices->getColumn('value')->setLength(1024);
+    }
+
+    public function down(Schema $schema): void
+    {
+        $invoices = $schema->getTable('kimai2_configuration');
+        $invoices->getColumn('value')->setLength(255);
+    }
+}