add download

src/main.rs

@@ -1,17 +1,17 @@
 use clap::App;
 
 mod cmd;
-mod cmd_sample;
+mod cmd_download;
 mod cmd_default;
 mod har;
 
 use cmd::{ Command, CommandError, };
-use cmd_sample::CommandSample;
+use cmd_download::CommandDownload;
 use cmd_default::CommandDefault;
 
 fn main() -> CommandError {
-    let commands = vec![
-        CommandSample{},
+    let commands: Vec<Box<dyn Command>> = vec![
+        Box::new(CommandDownload{}),
     ];
     let mut app = App::new(env!("CARGO_PKG_NAME"))
                     .version(env!("CARGO_PKG_VERSION"))