Adds antora extension and updates ui version

.gitignore

@@ -20,3 +20,4 @@ node_modules
 build
 package.json
 package-lock.json
+.flattened-pom.xml

antora-playbook.yml

@@ -7,6 +7,7 @@ antora:
     - '@antora/atlas-extension'
     - require: '@springio/antora-extensions/root-component-extension'
       root_component_name: 'cloud-circuitbreaker'
+    - '@springio/antora-extensions/static-page-extension'
 site:
   title: Spring Cloud Circuitbreaker
   url: https://docs.spring.io/spring-cloud-circuitbreaker/reference
@@ -36,7 +37,7 @@ urls:
   redirect_facility: httpd
 ui:
   bundle:
-    url: https://github.com/spring-io/antora-ui-spring/releases/download/v0.3.5/ui-bundle.zip
+    url: https://github.com/spring-io/antora-ui-spring/releases/download/v0.4.2/ui-bundle.zip
     snapshot: true
 runtime:
   log:

pom.xml

@@ -43,8 +43,15 @@
 					<environment>
 						<ALGOLIA_API_KEY>9d489079e5ec46dbb238909fee5c9c29</ALGOLIA_API_KEY>
 						<ALGOLIA_APP_ID>WB1FQYI187</ALGOLIA_APP_ID>
-						<ALGOLIA_INDEX_NAME>springcloudcircuitbreaker</ALGOLIA_INDEX_NAME>
+						<ALGOLIA_INDEX_NAME>springdocs</ALGOLIA_INDEX_NAME>
 					</environment>
+					<packages>
+						<package>@antora/atlas-extension@1.0.0-alpha.1</package>
+						<package>@antora/collector-extension@1.0.0-alpha.3</package>
+						<package>@asciidoctor/tabs@1.0.0-beta.3</package>
+						<package>@springio/antora-extensions@1.6.0</package>
+						<package>@springio/asciidoctor-extensions@1.0.0-alpha.9</package>
+					</packages>
 				</configuration>
 			</plugin>
 		</plugins>