docs: Add info on Enhanced Extract Agent (box/box-openapi#555) (#1019)

* docs: Add deprecation note to readme.md (box/box-codegen#835)

* fix: Add info on Enhanced Extract Agent (box/box-openapi#555)

Author: box-sdk-build

.codegen.json

@@ -1 +1 @@
-{ "engineHash": "87747c8", "specHash": "a05e5d7", "version": "10.0.0" }
+{ "engineHash": "0271743", "specHash": "1ed059a", "version": "10.0.0" }

docs/ai.md

@@ -170,7 +170,7 @@ Sends an AI request to supported Large Language Models (LLMs) and returns extrac
 For this request, you either need a metadata template or a list of fields you want to extract.
 Input is **either** a metadata template or a list of fields to ensure the structure.
 To learn more about creating templates, see [Creating metadata templates in the Admin Console](https://support.box.com/hc/en-us/articles/360044194033-Customizing-Metadata-Templates)
-or use the [metadata template API](g://metadata/templates/create).
+or use the [metadata template API](g://metadata/templates/create). This endpoint also supports [Enhanced Extract Agent](g://box-ai/ai-tutorials/extract-metadata-structured/#enhanced-extract-agent).
 
 This operation is performed by calling function `createAiExtractStructured`.