Update README.md

Added the NIST GenAI response to dataset card

README.md

@@ -25,6 +25,7 @@ The following materials reflect what we find urgent to stress to policymakers at
             - View [recorded testimony](https://science.house.gov/2023/6/artificial-intelligence-advancing-innovation-towards-the-national-interest)
         - November 2023: [Dr. Margaret Mitchell (Chief Ethics Scientist) Senate Insight Forum Statement](https://www.schumer.senate.gov/imo/media/doc/Margaret%20Mitchell%20-%20Statement.pdf)
     - Executive
+        - June 2024: Response to NIST [RFC on AI 600-1: Artificial Intelligence Risk Management Framework: Generative Artificial Intelligence Profile](https://huggingface.co/datasets/huggingface/policy-docs/resolve/main/2024_NIST_GENAI_Response.pdf)
         - March 2024: Response to NTIA [RFC on Dual Use Foundation Artificial Intelligence Models with Widely Available Model Weights](https://huggingface.co/datasets/huggingface/policy-docs/resolve/main/2024_NTIA_Response.pdf)
         - February 2024: Response to NIST [RFI Assignments Under Sections 4.1, 4.5 and 11 of the Executive Order Concerning Artificial Intelligence](https://huggingface.co/datasets/huggingface/policy-docs/blob/main/2024_NIST%20RFI%20on%20EO.pdf)
         - December 2023: Response to OMB [RFC Agency Use of Artificial Intelligence](https://huggingface.co/datasets/huggingface/policy-docs/resolve/main/2023_OMB%20EO%20RFC.pdf)