Add Salary label on the job listings page

Requested by a user in 6799724-zen

> Is it possible to prepare any snippet to display salaries in “job cards” on the listing page?

...but it seems like a quite popular requests also [on Reddit](https://www.reddit.com/r/Wordpress/comments/10w9nd9/displaying_salary_on_job_listing_page_in_wp_job/?sort=new).

Noting that this is currently possible with template overrides, but a new feature would make things more easy - for example by getting a setting or a toggle.

The issue concerns salary labels in job cards on the job listings page and notes that template overrides already support this. Start by locating the listing and job-card templates and the existing template-override path; done should include a usable salary display and a clear decision on whether it is controlled by a setting or toggle.

Written by the indexing model from the issue text.