Adding More Content to Front Page

Add the below code on widgets.php below the function function colormag_widgets_init() line number 14

register_sidebar( array(
      'name'            => __( 'Example ', 'colormag' ),
      'id'              => 'colormag_example',
      'description'     => __( 'Shows widgets at Example.', 'colormag' ),
      'before_widget'   => '<aside id="%1$s" class="widget %2$s clearfix">',
      'after_widget'    => '</aside>',
      'before_title'    => '<h3 class="widget-title"><span>',
      'after_title'     => '</span></h3>'
   ) );

This will register the widget area.

Now to call this widget on front page. Add the below code on front-page.php

if( is_active_sidebar( 'colormag_example' ) ) {
            if ( !dynamic_sidebar( 'colormag_example' ) ):
            endif;
         }

below the line number 40 of front-page.php.

If not work, please feel free to ask. While adding code, do it carefully.

Note: Child theme is recommended to customize theme.

Please access this file through FTP. Theme customization is not recommended from editor. I already mentioned you about Child theme. No all file can access through editor.

Thanks