new format, ready for 3.5 API docs

Author: RichardSmedley

antora.yml

@@ -1,7 +1,18 @@
 name: java-sdk
-version: '3.4'
+version: '3.5'
 title: Java SDK
 start_page: hello-world:overview.adoc
 nav:
 - modules/ROOT/nav.adoc
-server_version: '7.1'
+asciidoc:
+  attributes:
+    server_version: '7.5'
+    sdk_current_version: '3.5.0'
+    sdk_dot_minor: 3.5.0
+    sdk_dot_major: 3.x
+    version-server: '7.2'
+    name_platform: 'Java'
+    name-sdk: Java SDK
+    sdk_api: '3.4'
+    sdk-api-link: https://docs.couchbase.com/sdk-api/couchbase-java-client
+    sdk-gh-link: https://github.com/couchbase/couchbase-jvm-clients