Add example for Annotated attribute injection for module/class attributes

Author: rmk135

examples/wiring/example_attribute_annotated.py

@@ -0,0 +1,29 @@
+"""Wiring attribute example with Annotated."""
+
+from typing import Annotated
+
+from dependency_injector import containers, providers
+from dependency_injector.wiring import Provide
+
+
+class Service:
+    ...
+
+
+class Container(containers.DeclarativeContainer):
+    service = providers.Factory(Service)
+
+
+service: Annotated[Service, Provide[Container.service]]
+
+
+class Main:
+    service: Annotated[Service, Provide[Container.service]]
+
+
+if __name__ == "__main__":
+    container = Container()
+    container.wire(modules=[__name__])
+
+    assert isinstance(service, Service)
+    assert isinstance(Main.service, Service)