proot-rs --version doesn't show the version number about proot-rs

[imlk0]

Seems that we forgot to add the version information in cli.rs:

proot-rs/proot-rs/src/cli.rs

Lines 11 to 33 in 37dcb00

	App::new("proot-rs")
	.arg(Arg::with_name("rootfs")
	.short("r")
	.long("rootfs")
	.help("Use *path* as the new guest root file-system.")
	.takes_value(true)
	.default_value(DEFAULT_ROOTFS)
	.validator(path_validator))
	.arg(Arg::with_name("bind")
	.short("b")
	.long("bind")
	.help("Make the content of *host_path* accessible in the guest rootfs. Format: host_path:guest_path")
	.multiple(true)
	.takes_value(true)
	.validator(binding_validator))
	.arg(Arg::with_name("cwd")
	.short("w")
	.long("cwd")
	.help("Set the initial working directory to *path*.")
	.takes_value(true)
	.default_value(DEFAULT_CWD))
	.arg(Arg::with_name("command")
	.multiple(true))