[CLI.md](src/branch/main/docs/CLI.md) already gets generated using `urfave/cli-docs`. `cli-docs` can also generate man pages.
This change extends the doc generator to also generate a man page for `tea`.
* Add a subcommand to the doc generator to print the generated man page to stdout
Closes#777.
Co-authored-by: Valentin Brandl <mail@vbrandl.net>
Reviewed-on: https://gitea.com/gitea/tea/pulls/811
Reviewed-by: Lunny Xiao <xiaolunwen@gmail.com>
Reviewed-by: TheFox0x7 <thefox0x7@noreply.gitea.com>
Co-authored-by: Valentin Brandl <vbrandl@noreply.gitea.com>
Co-committed-by: Valentin Brandl <vbrandl@noreply.gitea.com>