[DOCS] Add links to logstash and ml APIs

Author: lcawl

docs/reference/ml/common/apis/get-ml-info.asciidoc

@@ -7,6 +7,12 @@
 <titleabbrev>Get {ml} info</titleabbrev>
 ++++
 
+.New API reference
+[sidebar]
+--
+For the most up-to-date API details, refer to {api-es}/group/endpoint-ml[{ml-cap} APIs].
+--
+
 Returns defaults and limits used by machine learning.
 
 [[get-ml-info-request]]

docs/reference/ml/common/apis/get-ml-memory.asciidoc

@@ -7,6 +7,12 @@
 <titleabbrev>Get {ml} memory stats</titleabbrev>
 ++++
 
+.New API reference
+[sidebar]
+--
+For the most up-to-date API details, refer to {api-es}/group/endpoint-ml[{ml-cap} APIs].
+--
+
 Returns information on how {ml} is using memory.
 
 [[get-ml-memory-request]]

docs/reference/ml/common/apis/ml-apis.asciidoc

@@ -2,6 +2,12 @@
 [[ml-apis]]
 = {ml-cap} APIs
 
+.New API reference
+[sidebar]
+--
+For the most up-to-date API details, refer to {api-es}/group/endpoint-ml[{ml-cap} APIs].
+--
+
 You can use the following APIs to retrieve information related to the
 {stack-ml-features}:
 

docs/reference/ml/common/apis/set-upgrade-mode.asciidoc

@@ -5,6 +5,12 @@
 <titleabbrev>Set upgrade mode</titleabbrev>
 ++++
 
+.New API reference
+[sidebar]
+--
+For the most up-to-date API details, refer to {api-es}/group/endpoint-ml[{ml-cap} APIs].
+--
+
 Sets a cluster wide upgrade_mode setting that prepares {ml} indices for an
 upgrade. 
 

docs/reference/rest-api/logstash/delete-pipeline.asciidoc

@@ -5,6 +5,12 @@
 <titleabbrev>Delete {ls} pipeline</titleabbrev>
 ++++
 
+.New API reference
+[sidebar]
+--
+For the most up-to-date API details, refer to {api-es}/group/endpoint-logstash[{ls} APIs].
+--
+
 This API deletes a pipeline used for
 {logstash-ref}/logstash-centralized-pipeline-management.html[{ls} Central
 Management].

docs/reference/rest-api/logstash/get-pipeline.asciidoc

@@ -5,6 +5,12 @@
 <titleabbrev>Get {ls} pipeline</titleabbrev>
 ++++
 
+.New API reference
+[sidebar]
+--
+For the most up-to-date API details, refer to {api-es}/group/endpoint-logstash[{ls} APIs].
+--
+
 This API retrieves pipelines used for
 {logstash-ref}/logstash-centralized-pipeline-management.html[{ls} Central
 Management].

docs/reference/rest-api/logstash/index.asciidoc

@@ -2,6 +2,12 @@
 [[logstash-apis]]
 == {ls} APIs
 
+.New API reference
+[sidebar]
+--
+For the most up-to-date API details, refer to {api-es}/group/endpoint-logstash[{ls} APIs].
+--
+
 The following APIs are used to manage pipelines used by
 {logstash-ref}/logstash-centralized-pipeline-management.html[{ls} Central
 Management]:

docs/reference/rest-api/logstash/put-pipeline.asciidoc

@@ -5,6 +5,12 @@
 <titleabbrev>Create or update {ls} pipeline</titleabbrev>
 ++++
 
+.New API reference
+[sidebar]
+--
+For the most up-to-date API details, refer to {api-es}/group/endpoint-logstash[{ls} APIs].
+--
+
 This API creates or updates a {ls} pipeline used for
 {logstash-ref}/logstash-centralized-pipeline-management.html[{ls} Central
 Management].