msobczyk/handle signals in docker entrypoint

handle signals in docker entrypoint, handle exit in start_clive script (close container on terminal close), closes issue #274 (closed)

tests/clive-local-tools/clive_local_tools/beekeeper/waiters.py

 from __future__ import annotations
 
-import asyncio
 from typing import TYPE_CHECKING
 
+from clive_local_tools.waiters import wait_for
+
 if TYPE_CHECKING:
     from clive.__private.core.beekeeper import Beekeeper
 
 
 async def wait_for_beekeeper_to_close(beekeeper: Beekeeper, timeout: float = 1.0) -> None:
-    async def __wait_for_beekeeper_to_close() -> None:
-        while beekeeper.is_already_running_locally():
-            await asyncio.sleep(0.1)
-
-    try:
-        await asyncio.wait_for(__wait_for_beekeeper_to_close(), timeout=timeout)
-    except asyncio.TimeoutError:
-        raise AssertionError(f"Beekeeper was not closed in expected time of {timeout:.2f}") from None
+    await wait_for(lambda: not beekeeper.is_already_running_locally(), "Beekeeper was not closed", timeout=timeout)