Create a new job post by duplicating an existing one. The new post is attached to the same parent job as the template (template_job_post_id) and published to the supplied job_board_id. Use this to spin up additional language, geography, or board variants of a job's listing without re-entering the content, application questions, or settings. To create the first post on a job, post a template from another job and adjust the resulting post; this endpoint does not create a post from scratch.