public function init()
 {
 // 1) Light sidebar layout (default.html)
 // $this->initLightSidebarLayout();

 // 2) Dark sidebar layout (default.html)
 //$this->initDarkSidebarLayout();

 // 3) Dark header layout (default_header_layout.html)
 $this->initDarkHeaderLayout();

 // 4) Light header layout (default_header_layout.html)
 //$this->initLightHeaderLayout();

 # Init global assets for default layout
 $this->initAssets();
 }