add start time to log

Signed-off-by: Peter Siegmund <developer@mars3142.org>

server/cinema/bin/server.dart

@@ -10,6 +10,8 @@ import 'package:shelf/shelf_io.dart' as io;
 import 'package:shelf_router/shelf_router.dart';
 
 void main(List<String> args) async {
+  final startTime = DateTime.now();
+
   configureDependencies();
 
   final router = Router();
@@ -39,6 +41,10 @@ void main(List<String> args) async {
 
     getIt<Version>().printVersion();
 
-    print('Serving at ${server.address.host}:${server.port}');
+    print('Serving at ${server.address.host}:${server.port}\n');
+
+    final time = DateTime.now().difference(startTime);
+    print('Server started at: $startTime');
+    print('Startup time: $time\n');
   });
 }