[DOCS] Adds technical preview note to inference APIs. (#101703)

docs/reference/inference/delete-inference.asciidoc

@@ -2,6 +2,8 @@
 [[delete-inference-api]]
 === Delete {infer} API
 
+experimental[]
+
 Deletes an {infer} model deployment.
 
 

docs/reference/inference/get-inference.asciidoc

@@ -2,6 +2,8 @@
 [[get-inference-api]]
 === Get {infer} API
 
+experimental[]
+
 Retrieves {infer} model information.
 
 [discrete]

docs/reference/inference/inference-apis.asciidoc

@@ -2,6 +2,8 @@
 [[inference-apis]]
 == {infer-cap} APIs
 
+experimental[]
+
 You can use the following APIs to manage {infer} models and perform {infer}:
 
 * <<delete-inference-api>>

docs/reference/inference/post-inference.asciidoc

@@ -2,6 +2,8 @@
 [[post-inference-api]]
 === Perform inference API
 
+experimental[]
+
 Performs an inference task on an input text by using an {infer} model.
 
 

docs/reference/inference/put-inference.asciidoc

@@ -2,6 +2,8 @@
 [[put-inference-api]]
 === Create {infer} API
 
+experimental[]
+
 Creates a model to perform an {infer} task.