feat(signalr): support json & msgpack protocol for all hubs

packages/msgpack_lazer_api/msgpack_lazer_api.pyi

@@ -1,11 +1,4 @@
 from typing import Any
 
-class APIMod:
-    def __init__(self, acronym: str, settings: dict[str, Any]) -> None: ...
-    @property
-    def acronym(self) -> str: ...
-    @property
-    def settings(self) -> dict[str, Any]: ...
-
 def encode(obj: Any) -> bytes: ...
 def decode(data: bytes) -> Any: ...