feature: add s3

src/template_project/application/common/file_storage.py

@@ -0,0 +1,8 @@
+from abc import abstractmethod
+from typing import IO, Protocol
+
+
+class FileStorage(Protocol):
+    @abstractmethod
+    async def upload(self, path: str, image: IO[bytes]) -> None:
+        raise NotImplementedError