Add folder structure for helpers

Author: marciw

docs/esql.asciidoc renamed to docs/helpers/esql.asciidoc

@@ -1,7 +1,7 @@
 [[esql]]
-== ES|QL in the PHP client
+=== ES|QL in the PHP client
 ++++
-<titleabbrev>Using ES|QL</titleabbrev>
+<titleabbrev>ES|QL</titleabbrev>
 ++++
 
 This page helps you understand and use {ref}/esql.html[ES|QL] in the

docs/helpers/index.asciidoc

@@ -0,0 +1,10 @@
+[[client-helpers]]
+== Client helpers
+
+The PHP client comes with the following helpers:
+
+* <<iterators>>
+* <<esql>>
+
+include::iterators.asciidoc[]
+include::esql.asciidoc[]

docs/helpers.asciidoc renamed to docs/helpers/iterators.asciidoc

@@ -1,24 +1,16 @@
-[[client-helpers]]
-== Client helpers
-
-The client comes with helpers to give you a more comfortable experience with 
-some APIs.
-
-
-[discrete]
 [[iterators]]
 === Iterators
 
+The PHP client includes helpers for iterating through results by page or by hits.
 
-[discrete]
 [[search-response-iterator]]
 ==== Search response iterator
 
-The `SearchResponseIterator` can be used to iterate page by page in a search 
+Use the `SearchResponseIterator` to iterate page by page in a search 
 result using 
 https://www.elastic.co/guide/en/elasticsearch/reference/current/paginate-search-results.html#paginate-search-results[pagination].
 
-An example as follows:
+Here's an example:
 
 [source,php]
 ----
@@ -50,11 +42,11 @@ foreach($pages as $page) {
 [[search-hit-iterator]]
 ==== Search hit iterator
 
-The `SearchHitIterator` can be used to iterate in a `SearchResponseIterator` 
+Use the `SearchHitIterator` to iterate in a `SearchResponseIterator` 
 without worrying about 
 https://www.elastic.co/guide/en/elasticsearch/reference/current/paginate-search-results.html#paginate-search-results[pagination].
 
-An example as follows:
+Here's an example:
 
 [source,php]
 ----
@@ -81,4 +73,4 @@ foreach($hits as $hit) {
     // e.g. prints the document id
     echo $hit['_id'], PHP_EOL;
 }
-----
+----

docs/index.asciidoc

@@ -22,9 +22,7 @@ include::configuration.asciidoc[]
 
 include::operations.asciidoc[]
 
-include::helpers.asciidoc[]
-
-include::esql.asciidoc[]
+include::helpers/index.asciidoc[]
 
 include::release-notes.asciidoc[]