Add gating (#5)

- Add gating (fd5a7e9fbd381af28cddaa3e14c60b7a959fca14)

README.md

@@ -1,6 +1,15 @@
 ---
-library_name: transformers
 license: gemma
+library_name: transformers
+pipeline_tag: text-generation
+extra_gated_heading: Access Gemma on Hugging Face
+extra_gated_prompt: >-
+  To access Gemma on Hugging Face, you’re required to review and agree to
+  Google’s usage license. To do this, please ensure you’re logged in to Hugging
+  Face and click below. Requests are processed immediately.
+extra_gated_button_content: Acknowledge license
+tags:
+- conversational
 ---