Adding a nice Icon for Windows

Cargo.toml

@@ -53,3 +53,6 @@ tokio-shutdown = "^0.1"
 toml = "^0.8"
 utoipa = { version = "^5", features = ["actix_extras"] }
 utoipa-swagger-ui = { version = "^8", features = ["actix-web"] }
+
+[target.'cfg(windows)'.build-dependencies]
+winres = "0.1.12"

build.rs

@@ -0,0 +1,12 @@
+use std::io;
+#[cfg(windows)] use winres::WindowsResource;
+
+fn main() -> io::Result<()>
+{
+    #[cfg(windows)] {
+        WindowsResource::new()
+            .set_icon("icon.ico")
+            .compile()?;
+    }
+    Ok(())
+}