chore: add file downloading for ezpplauncher files, add ui replacement

src-tauri/Cargo.toml

@@ -31,6 +31,9 @@ winreg = "0.55.0"
 tauri-plugin-cors-fetch = "4.1.0"
 sysinfo = "0.35.2"
 winapi = { version = "0.3", features = ["winuser"] }
+reqwest = { version = "0.12.22", features = ["json", "stream"] }
+md5 = "0.8.0"
+tokio = { version = "1.46.0", features = ["full"] }
 
 [target.'cfg(not(any(target_os = "android", target_os = "ios")))'.dependencies]
 tauri-plugin-single-instance = "2.3.0"