creating first structure of cinema backend server

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

server/cinema/lib/feature/version/version.dart

@@ -0,0 +1,14 @@
+import 'package:injectable/injectable.dart';
+
+@injectable
+class Version {
+  const Version();
+
+  String get appVersion => const String.fromEnvironment('APP_VERSION');
+
+  void printVersion() {
+    if (appVersion.isNotEmpty) {
+      print('App Version: $appVersion');
+    }
+  }
+}