feat: stars on projects

methods star() to star a project and starrers() to get the list of project starrers

src/Api/Projects.php

@@ -1457,6 +1457,26 @@ public function removeShare($project_id, $group_id)
         return $this->delete($this->getProjectPath($project_id, 'share/'.$group_id));
     }
 
+    /**
+     * @param int|string $project_id
+     *
+     * @return mixed
+     */
+    public function starrers($project_id)
+    {
+        return $this->get($this->getProjectPath($project_id, 'starrers'));
+    }
+
+    /**
+     * @param int|string $project_id
+     *
+     * @return mixed
+     */
+    public function star($project_id)
+    {
+        return $this->post($this->getProjectPath($project_id, 'star'));
+    }
+
     /**
      * @param int|string $project_id
      *