Nvim: allow to jump to the :SignifyHunkDiff window
Nvim: allow to jump to the :SignifyHunkDiff window

If you open the floating window via :SignifyHunkDiff, you can now jump to it via
<c-w>w and friends.

The floating window will be closed when switching back to the original window.

References https://github.com/mhinz/vim-signify/issues/300#issuecomment-844114103

mhinz/vim-signify