chore: Share development status in README (#227)

Author: jsonbailey

pkgs/sdk/server-ai/README.md

@@ -1,11 +1,15 @@
 # LaunchDarkly AI SDK (server-side) for .NET
 
-# ⛔️⛔️⛔️⛔️
-
 > [!CAUTION]
-> This library is a alpha version and should not be considered ready for production use while this message is visible.
-
-# ☝️☝️☝️☝️☝️☝️
+> This AI SDK is in pre-release and not subject to backwards compatibility guarantees. The API may change based on feedback.
+>
+> Pin to a specific minor version and review the [changelog] before upgrading.
+>
+> Active feature development is ongoing in the [Python][python-ai-sdk] and [Node.js][node-ai-sdk] AI SDKs, so this SDK will receive new features at a slower pace. Refer to those for the latest capabilities.
+
+[changelog]: https://github.com/launchdarkly/dotnet-core/blob/main/pkgs/sdk/server-ai/CHANGELOG.md
+[python-ai-sdk]: https://github.com/launchdarkly/python-server-sdk-ai/tree/main/packages/sdk/server-ai
+[node-ai-sdk]: https://github.com/launchdarkly/js-core/tree/main/packages/sdk/server-ai
 
 
 The LaunchDarkly AI SDK (server-side) for .NET is designed primarily for use in multi-user systems such as web servers and applications. It follows the server-side LaunchDarkly model for multi-user contexts. It is not intended for use in desktop and embedded systems applications.