Add docs for saving revisions of snippets
Add docs for saving revisions of snippets

rsalmaso/wagtail,rsalmaso/wagtail,thenewguy/wagtail,wagtail/wagtail,zerolab/wagtail,rsalmaso/wagtail,zerolab/wagtail,thenewguy/wagtail,rsalmaso/wagtail,wagtail/wagtail,thenewguy/wagtail,rsalmaso/wagtail,wagtail/wagtail,wagtail/wagtail,zerolab/wagtail,zerolab/wagtail,zerolab/wagtail,thenewguy/wagtail,thenewguy/wagtail,wagtail/wagtail