Add task and project API formatters

app/Formatter/ProjectApiApiFormatter.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace Kanboard\Formatter;
+
+use Kanboard\Core\Filter\FormatterInterface;
+
+/**
+ * Class ProjectApiFormatter
+ *
+ * @package Kanboard\Formatter
+ */
+class ProjectApiFormatter extends BaseFormatter implements FormatterInterface
+{
+    protected $project = null;
+
+    public function withProject($project)
+    {
+        $this->project = $project;
+        return $this;
+    }
+
+    /**
+     * Apply formatter
+     *
+     * @access public
+     * @return mixed
+     */
+    public function format()
+    {
+        if (! empty($this->project)) {
+            $this->project['url'] = array(
+                'board' => $this->helper->url->to('BoardViewController', 'show', array('project_id' => $this->project['id']), '', true),
+                'list' => $this->helper->url->to('TaskListController', 'show', array('project_id' => $this->project['id']), '', true),
+            );
+        }
+
+        return $this->project;
+    }
+}