✨ Add redirects in IOStreamedResponse

pkgs/http/lib/src/io_client.dart

@@ -127,6 +127,7 @@ class IOClient extends BaseClient {
           request: request,
           headers: headers,
           isRedirect: response.isRedirect,
+          redirects: response.redirects,
           persistentConnection: response.persistentConnection,
           reasonPhrase: response.reasonPhrase,
           inner: response);

pkgs/http/lib/src/io_streamed_response.dart

@@ -23,9 +23,16 @@ class IOStreamedResponse extends StreamedResponse {
       super.isRedirect,
       super.persistentConnection,
       super.reasonPhrase,
+      this.redirects = const [],
       HttpClientResponse? inner})
       : _inner = inner;
 
+  /// Returns the series of redirects this connection has been through.
+  /// The list will be empty if no redirects were followed.
+  /// [redirects] will be updated both in the case of
+  /// an automatic and a manual redirect.
+  final List<RedirectInfo> redirects;
+
   /// Detaches the underlying socket from the HTTP server.
   ///
   /// Will throw if `inner` was not set or `null` when `this` was created.