[DOCS] Rearranges Examples section in Node.JS book (#1425)

docs/examples/asStream.asciidoc

@@ -1,5 +1,5 @@
 [[as_stream_examples]]
-== asStream
+=== asStream
 
 Instead of getting the parsed body back, you will get the raw Node.js stream of 
 data.

docs/examples/bulk.asciidoc

@@ -1,5 +1,5 @@
 [[bulk_examples]]
-== Bulk
+=== Bulk
 
 The `bulk` API makes it possible to perform many index/delete operations in a 
 single API call. This can greatly increase the indexing speed.

docs/examples/exists.asciidoc

@@ -1,5 +1,5 @@
 [[exists_examples]]
-== Exists
+=== Exists
 
 Check that the document `/game-of-thrones/1` exists.
 

docs/examples/get.asciidoc

@@ -1,5 +1,5 @@
 [[get_examples]]
-== Get
+=== Get
 
 The get API allows to get a typed JSON document from the index based on its id. 
 The following example gets a JSON document from an index called 

docs/examples/ignore.asciidoc

@@ -1,5 +1,5 @@
 [[ignore_examples]]
-== Ignore
+=== Ignore
 
 HTTP status codes which should not be considered errors for this request.
 

docs/examples/index.asciidoc

@@ -1,5 +1,5 @@
 [[examples]]
-= Examples
+== Examples
 
 Following you can find some examples on how to use the client.
 

docs/examples/msearch.asciidoc

@@ -1,5 +1,5 @@
 [[msearch_examples]]
-== MSearch
+=== MSearch
 
 The multi search API allows to execute several search requests within the same 
 API. 

docs/examples/reindex.asciidoc

@@ -1,5 +1,5 @@
 [[reindex_examples]]
-== Reindex
+=== Reindex
 
 The `reindex` API extracts the document source from the source index and indexes 
 the documents into the destination index. You can copy all documents to the 

docs/examples/scroll.asciidoc

@@ -1,5 +1,5 @@
 [[scroll_examples]]
-== Scroll
+=== Scroll
 
 While a search request returns a single “page” of results, the scroll API can be 
 used to retrieve large numbers of results (or even all results) from a single 

docs/examples/search.asciidoc

@@ -1,5 +1,5 @@
 [[search_examples]]
-== Search
+=== Search
 
 The `search` API allows you to execute a search query and get back search hits 
 that match the query. The query can either be provided using a simple 

docs/examples/sql.query.asciidoc

@@ -1,5 +1,5 @@
 [[sql_query_examples]]
-== SQL
+=== SQL
 
 {es} SQL is an X-Pack component that allows SQL-like queries to be executed in 
 real-time against {es}. Whether using the REST interface, command-line or JDBC, 

docs/examples/suggest.asciidoc

@@ -1,5 +1,5 @@
 [[suggest_examples]]
-== Suggest
+=== Suggest
 
 The suggest feature suggests similar looking terms based on a provided text by 
 using a suggester. _Parts of the suggest feature are still under development._

docs/examples/transport.request.asciidoc

@@ -1,5 +1,5 @@
 [[transport_request_examples]]
-== transport.request
+=== transport.request
 
 It can happen that you need to communicate with {es} by using an API that is not 
 supported by the client, to mitigate this issue you can directly call 

docs/examples/typescript.asciidoc

@@ -1,5 +1,5 @@
 [[typescript_examples]]
-== Typescript
+=== Typescript
 
 The client offers a first-class support for TypeScript, since it ships the type 
 definitions for every exposed API.

docs/examples/update.asciidoc

@@ -1,5 +1,5 @@
 [[update_examples]]
-== Update
+=== Update
 
 The update API allows updates of a specific document using the given script. In 
 the following example, we will index a document that also tracks how many times 

docs/examples/update_by_query.asciidoc

@@ -1,5 +1,5 @@
 [[update_by_query_examples]]
-== Update By Query
+=== Update By Query
 
 The simplest usage of _update_by_query just performs an update on every document 
 in the index without changing the source. This is useful to pick up a new