Add: support for registerTransient, registerScoped and registerConstant

core/container/container/lib/src/container.dart

@@ -236,4 +236,28 @@ class Container {
     _namedSingletons[name] = object;
     return object;
   }
+
+  /// Register a scoped instance (new instance per scope).
+  void registerScoped<T>(T Function(Container) factory) {
+    // Implement scoped behavior
+    // This is a simplified version; you might need to implement
+    // proper scoping mechanism based on your requirements
+    var scope = {};
+    registerFactory<T>((c) {
+      if (!scope.containsKey(T)) {
+        scope[T] = factory(c);
+      }
+      return scope[T] as T;
+    });
+  }
+
+  /// Register a transient instance (new instance every time).
+  void registerTransient<T>(T Function(Container) factory) {
+    registerFactory<T>((c) => factory(c));
+  }
+
+  /// Register a constant value.
+  void registerConstant<T>(T value) {
+    registerFactory<T>((c) => value);
+  }
 }