Docs for the remote file kitten

docs/kittens/remote_file.rst

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+Remote files
+==============
+
+|kitty| has the ability to easily *Edit*, *Open* or *Download* files
+from a computer into which you are SSHed. In your SSH session run::
+
+    ls --hyperlink=auto
+
+Then hold down :kbd:`ctrl+shift` and click the name of the file.
+
+.. figure:: ../screenshots/remote_file.png
+    :alt: Remote file actions
+    :align: center
+    :scale: 100%
+
+    Remote file actions
+
+|kitty| will ask you what you want to do with the remote file. You can choose
+to *Edit* it in which case kitty will download it and open it locally in your
+``EDITOR``. As you make changes to the file, they are automatically transferred
+to the remote computer. Note that this happens without needing to install *any*
+special software on the server, beyond ``ls`` that supports hyperlinks.
+
+.. note::
+   If you have not setup automatic password-less SSH access, then, when
+   editing starts you will be asked to enter your password just once,
+   thereafter the SSH connection will be re-used.
+
+Similarly, you can choose to save the file to the local computer or download
+and open it in its default file handler.