misc(args): add version and about, add me to ~cargo.toml authors

Cargo.toml

@@ -6,6 +6,7 @@ license = "GPL-3.0-or-later"
 description = "No-bullshit, lightweight, Tournament Manager with a cli."
 # documentation = "https://docs.rs/tuna-man"
 repository = "https://codeberg.org/jark/tuna-man"
+authors = ["Jeromos Kovács <iitsnotme214@proton.me>"]
 
 [dependencies]
 clap = { version = "4.5.21", features = ["derive"] }

src/args.rs

@@ -2,6 +2,7 @@ use crate::tournament::format;
 use std::path::PathBuf;
 
 #[derive(clap::Parser, Clone, Debug, PartialEq, Eq)]
+#[command(version, about, long_about)]
 pub struct Args {
     /// Path to file with participants: '<player/team>,<class>' syntax, where <class> is optional
     pub file: PathBuf,