[DOCS] Adds new Java high-level client book (#77747)

docs/java-rest/high-level/index.asciidoc

@@ -1,7 +1,7 @@
 :mainid: java-rest-high
 
 [id="{mainid}"]
-= Java High Level REST Client
+= Java High Level REST Client (deprecated)
 
 [partintro]
 --

docs/java-rest/index.asciidoc

@@ -1,6 +1,8 @@
 [[java-rest]]
 = Java REST Client
 
+include::{asciidoc-dir}/../../shared/attributes.asciidoc[]
+
 include::../Versions.asciidoc[]
 
 include::overview.asciidoc[]
@@ -9,4 +11,6 @@ include::low-level/index.asciidoc[]
 
 include::high-level/index.asciidoc[]
 
+include::{elasticsearch-java-root}/docs/index.asciidoc[]
+
 include::redirects.asciidoc[]