API: changed date-format, camelCase instead of snake_case, null values, update and create for customer and project (#718)

src/API/Model/I18n.php

@@ -14,13 +14,13 @@ namespace App\API\Model;
 class I18n
 {
     /**
-     * Format used for 'begin' and 'end' in TimesheetEditForm: POST, PATCH
+     * Format used for 'begin' and 'end'
      *
      * @var string
      */
     protected $formDateTime = '';
     /**
-     * Format used for Timesheet queries in: GET
+     * Format used for toolbar queries
      *
      * @var string
      */

src/API/Model/Version.php

@@ -0,0 +1,38 @@
+<?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 App\API\Model;
+
+use App\Constants;
+
+class Version
+{
+    /**
+     * @var string
+     */
+    protected $version = Constants::VERSION;
+    /**
+     * @var string
+     */
+    protected $candidate = Constants::STATUS;
+    /**
+     * @var string
+     */
+    protected $semver = Constants::VERSION . '-' . Constants::STATUS;
+    /**
+     * @var string
+     */
+    protected $name = Constants::NAME;
+    /**
+     * @var string
+     */
+    protected $copyright = Constants::SOFTWARE . ' - ' . Constants::VERSION . ' ' . Constants::STATUS . ' (' . Constants::NAME . ') by Kevin Papst and contributors.';
+}