Add Cloudron packaging for Maubot

maubot-src/maubot/lib/future_awaitable.py

@@ -0,0 +1,9 @@
+from typing import Any, Awaitable, Callable, Generator
+
+
+class FutureAwaitable:
+    def __init__(self, func: Callable[[], Awaitable[None]]) -> None:
+        self._func = func
+
+    def __await__(self) -> Generator[Any, None, None]:
+        return self._func().__await__()