adding guardrail legal copy

README.md

@@ -142,3 +142,7 @@ Using a PyTorch model traced for Linux and Intel CPUs, we performed performance
 | 250 - 300 | 0.0569 | 0.043 | 24.43% |
 | 300 - 350 | 0.0663 | 0.0513 | 22.62% |
 | 350 - 400 | 0.0737 | 0.0576 | 21.85% |
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+Customers may add third party trained models for management in Elastic. These models are not owned by Elastic. Customers must contract separately with the third party model owner for the use of the model, and such use will be governed by the applicable terms and conditions. You understand and agree that Elastic has no control over, or liability for, the third party models.