Draft: Remove notifications

Remove notifications

---

What this MR is adding?

• Remove notifications handling from beekeepy
• Add app_status_probe to quickly interact with new app_status_api api
• Bit of refactor

TODO:

• clean branches in hive and test-tools
• verify if new implementation works in clive
• add mechanism to close detached beekeeper basing only on process list

beekeepy/beekeepy/_apis/abc/__init__.py

+from __future__ import annotations
+
+from beekeepy._apis.abc.api import (
+    AbstractApi,
+    AbstractAsyncApi,
+    AbstractSyncApi,
+    ApiArgumentSerialization,
+    ApiArgumentsToSerialize,
+    HandleT,
+    RegisteredApisT,
+)
+from beekeepy._apis.abc.api_collection import AbstractAsyncApiCollection, AbstractSyncApiCollection
+from beekeepy._apis.abc.sendable import (
+    AsyncSendable,
+    SyncSendable,
+)
+from beekeepy._apis.abc.session_holder import AsyncSessionHolder, SyncSessionHolder
+
+__all__ = [
+    "AbstractApi",
+    "AbstractAsyncApi",
+    "AbstractAsyncApiCollection",
+    "AbstractSyncApi",
+    "AbstractSyncApiCollection",
+    "ApiArgumentSerialization",
+    "ApiArgumentsToSerialize",
+    "AsyncSendable",
+    "AsyncSessionHolder",
+    "HandleT",
+    "RegisteredApisT",
+    "SyncSendable",
+    "SyncSessionHolder",
+]