doc: update documentation for restore command

doc/050_restore.rst

@@ -68,6 +68,9 @@ There are case insensitive variants of ``--exclude`` and ``--include`` called
 ``--iexclude`` and ``--iinclude``. These options will behave the same way but
 ignore the casing of paths.
 
+There are also ``--include-file``, ``--exclude-file``, ``--iinclude-file`` and
+ ``--iexclude-file`` flags that read the include and exclude patterns from a file.
+
 Restoring symbolic links on windows is only possible when the user has
 ``SeCreateSymbolicLinkPrivilege`` privilege or is running as admin. This is a
 restriction of windows not restic.