Add additional metadata to chargepoints

app/schemas/chargepoint.py

@@ -19,6 +19,10 @@ class ChargePointCreate(ChargePointBase):
 class ChargePoint(ChargePointBase):
     id: UUID
     last_seen: datetime | None
+    vendor_name: str | None
+    model: str | None
+    serial_number: str | None
+    firmware_version: str | None
     connectors: list[Connector] = []
 
     class Config: