use wget to download maps

src/main.rs

@@ -62,7 +62,21 @@ fn get_scripts(dom:rbx_dom_weak::WeakDom) -> Vec<rbx_dom_weak::Instance>{
 }
 
 fn download(map_list: Vec<u64>) -> Result<(), Box<dyn std::error::Error>>{
-    unimplemented!()
+    let header=format!("Cookie: .ROBLOSECURITY={}",std::env::var("RBXCOOKIE")?);
+    let shared_args=&[
+        "-q",
+        "--header",
+        header.as_str(),
+        "-O",
+    ];
+    for map_id in map_list.iter() {
+        std::process::Command::new("wget")
+        .args(shared_args)
+        .arg(format!("maps/unprocessed/{}.rbxl",map_id))
+        .arg(format!("https://assetdelivery.roblox.com/v1/asset/?ID={}",map_id))
+        .spawn()?;
+    }
+    Ok(())
 }
 fn scan() -> Result<(), Box<dyn std::error::Error>>{
     let mut id = 0u32;