TakesFile
The new `TakesFile` flag will be now consumed by the fish shell completion generator. Signed-off-by: Sascha Grunert <sgrunert@suse.com>
This adds two new methods to the `App` struct: - `ToMarkdown`: creates a markdown documentation string - `ToMan`: creates a man page string Signed-off-by: Sascha Grunert <mail@saschagrunert.de>