Simply head over to this shared Google Doc.
Once there, click on “File” and then “Make a Copy” to edit document on your own Drive account or copy and paste into your favorite word processor. The first page will explain how to, “search and replace” the document customizing it to your specific use.
Once you’ve got this loaded onto your site, make sure you place a link to it in a prominent easy to access place, like the footer menu that appears on every page. Then you can spend some time exploring what else you may need to add to it, with a little peace of mind that you’ve got your basics covered.