sa-include

使用例：

簡単な例:

     - {
         role: "いくつかの役割 X"         
       }

     - {
         role: "sa-include",
         include_file: "{{root_dir}}/tasks/your_tasks_in_the_middle.yml"
       }

     - {
         role: "いくつかの役割 Y" 
       }