fix: rename args variables

Cargo.lock

@@ -54,7 +54,7 @@ dependencies = [
 
 [[package]]
 name = "bak"
-version = "0.2.0"
+version = "0.3.2"
 dependencies = [
  "clap",
  "sha2",

src/main.rs

@@ -4,8 +4,8 @@ use std::path::PathBuf;
 use std::process;
 
 #[derive(Parser)]
-#[command(version, about, long_about = None)]
-struct Opts {
+#[command(name = "bak-rs", version, about, long_about = None)]
+struct Args {
     /// Optional subcommand (restore or delete). Default is backup
     #[command(subcommand)]
     command: Option<Commands>,
@@ -21,7 +21,7 @@ enum Commands {
 }
 
 fn main() {
-    let opts = Opts::parse();
+    let opts = Args::parse();
 
     let result = match opts.command {
         Some(Commands::Res { file }) => restore_backup_file(&file),