Add clap version, authors; Update metadata.

src/cli.rs

@@ -5,6 +5,8 @@ use clap::{ArgAction, Parser, Subcommand};
 pub static CONFIG: LazyLock<Args> = LazyLock::new(|| Args::parse());
 
 #[derive(Debug, Parser)]
+#[clap(author, version)]
+#[command(help_template = "{author-section}\n{usage-heading} {usage}\n\n{all-args}")]
 pub struct Args {
     #[command(subcommand)]
     pub command: Command,