Add Digital Security Training Curriculum by Sinar as a Resource

[kaerumy]

https://docs.google.com/document/d/1nXv5QjL9s7WBjK0MmHBBNh6xzSfIBTK1umJRXpsirlo/edit?tab=t.0#heading=h.ld5gw7tp88pw

Tag it as Implemented by Sinar Project