Working device manager, added folders for better organization.

services/device_manager/models.py

@@ -2,26 +2,6 @@ import datetime
 
 from pydantic import BaseModel
 
-
-class Device(BaseModel):
-    """IoT devices registered in the system."""
-
-    id: str
-    name: str
-    location: str | None = None
-    is_active: bool = True
-    created_at: datetime.datetime
-
-class DeviceCertificate(BaseModel):
-    """X.509 certificates issued to devices for mTLS authentication."""
-
-    device_id: str
-    certificate_pem: str
-    private_key_pem: str | None = None
-    issued_at: datetime.datetime
-    expires_at: datetime.datetime
-    revoked_at: datetime.datetime | None = None
-
 class DeviceRegistrationRequest(BaseModel):
     """Request model for registering a new device."""