allow to send metrics to memory or redis

server/metrics/MemoryMetricsStore.py

@@ -0,0 +1,12 @@
+class MemoryMetricsStore:
+  def __init__(self, **kwargs):
+    self._snapshots:dict[str, dict] = {}
+
+  async def publish(self, worker_id:str, snapshot:dict) -> None:
+    self._snapshots[worker_id] = dict(snapshot)
+
+  async def load_all(self) -> list[dict]:
+    return [dict(value) for value in self._snapshots.values()]
+
+  async def close(self) -> None:
+    return None