docs(index.md): document new team model flow

docs/my-website/release_notes/v1.65.0/index.md

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+---
+title: v1.65.0 - Team Model Add - update
+slug: v1.65.0
+date: 2025-03-28T10:00:00
+authors:
+  - name: Krrish Dholakia
+    title: CEO, LiteLLM
+    url: https://www.linkedin.com/in/krish-d/
+    image_url: https://media.licdn.com/dms/image/v2/D4D03AQGrlsJ3aqpHmQ/profile-displayphoto-shrink_400_400/B4DZSAzgP7HYAg-/0/1737327772964?e=1743638400&v=beta&t=39KOXMUFedvukiWWVPHf3qI45fuQD7lNglICwN31DrI
+  - name: Ishaan Jaffer
+    title: CTO, LiteLLM
+    url: https://www.linkedin.com/in/reffajnaahsi/
+    image_url: https://pbs.twimg.com/profile_images/1613813310264340481/lz54oEiB_400x400.jpg
+tags: [management endpoints, team models, ui]
+hide_table_of_contents: false
+---
+
+import Image from '@theme/IdealImage';
+
+v1.65.0 updates the `/model/new` endpoint to prevent non-team admins from creating team models.
+
+This means that only proxy admins or team admins can create team models.
+
+## Additional Changes
+
+- Allows team admins to call `/model/update` to update team models.
+- Allows team admins to call `/model/delete` to delete team models.
+- Introduces new `user_models_only` param to `/v2/model/info` - only return models added by this user.
+
+
+These changes enable team admins to add and manage models for their team on the LiteLLM UI + API.
+
+
+<Image img={require('../../img/release_notes/team_model_add.png')} />