docs and fix

docs/code_snippets/dependency_injection_snippet4.py

@@ -0,0 +1,11 @@
+from argenta import Response, Router
+from argenta.orchestrator.argparser import ArgSpace
+from argenta.di import FromDishka
+
+
+router = Router()
+
+@router.command('info')
+def connect_handler(response: Response, argspace: FromDishka[ArgSpace]):
+	print(argspace.get_by_name('type'))
+