Yes, just put this in your theme's functions.php file. Hope it helps!
add_filter ( 'projekt_tasks_targets', 'add_general_theme_project_tasks_target');
add_filter ( 'projekt_tasks_active_targets_on_post', 'add_general_theme_project_tasks_target', 1 );
function add_general_theme_project_tasks_target ( $targets ) {
array_push ( $targets, array (
'target_type' => 'spt_target_page_template',
'target_id' => 'theme_general',
'target_category' => 'Theme Development',
'name' => 'General',
'shortening' => 'T',
'item_name' => 'Theme Development', /* give this the name of your theme if you want to impress your clients :) */
'order' => 0,
'description' => 'Connect this task to general theme development. This task will appear on every page.'
));
return $targets;
}