Use Algolia extension (centralized creds)

Also does the following:

* Update versions for all docs related dependencies
* Use package.json

.gitignore

@@ -17,3 +17,4 @@ out
 target
 **/connectors/
 .DS_Store
+node_modules

gradle/antora-docs.gradle

@@ -4,21 +4,9 @@ node {
 }
 
 antora {
-	version = '3.2.0-alpha.2'
+	version = '3.2.0-alpha.4'
 	playbook = file('src/main/antora/antora-playbook.yml')
 	options = ['to-dir' : project.layout.buildDirectory.dir('site').get().toString(), clean: true, fetch: !project.gradle.startParameter.offline, stacktrace: true]
-	environment = [
-			'ALGOLIA_API_KEY': '9d489079e5ec46dbb238909fee5c9c29',
-			'ALGOLIA_APP_ID': 'WB1FQYI187',
-			'ALGOLIA_INDEX_NAME': 'springdocs',
-	]
-	dependencies = [
-			'@antora/atlas-extension': '1.0.0-alpha.1',
-			'@antora/collector-extension': '1.0.0-alpha.3',
-			'@asciidoctor/tabs': '1.0.0-beta.3',
-			'@springio/antora-extensions': '1.7.0',
-			'@springio/asciidoctor-extensions': '1.0.0-alpha.8',
-	]
 }
 
 tasks.named("generateAntoraYml") {

spring-pulsar-docs/package.json

@@ -0,0 +1,10 @@
+{
+  "dependencies": {
+    "antora": "3.2.0-alpha.4",
+    "@antora/atlas-extension": "1.0.0-alpha.2",
+    "@antora/collector-extension": "1.0.0-alpha.3",
+    "@asciidoctor/tabs": "1.0.0-beta.6",
+    "@springio/antora-extensions": "1.10.0",
+    "@springio/asciidoctor-extensions": "1.0.0-alpha.10"
+  }
+}

spring-pulsar-docs/src/main/antora/antora-playbook.yml

@@ -1,26 +1,17 @@
 antora:
   extensions:
-    - '@springio/antora-extensions/partial-build-extension'
-    - require: '@springio/antora-extensions/latest-version-extension'
-    - require: '@springio/antora-extensions/inject-collector-cache-config-extension'
-    - '@antora/collector-extension'
-    - '@antora/atlas-extension'
-    - require: '@springio/antora-extensions/root-component-extension'
+    - require: '@springio/antora-extensions'
       root_component_name: 'pulsar'
-    - '@springio/antora-extensions/static-page-extension'
-
 site:
   title: Spring Pulsar
   url: https://docs.spring.io/spring-pulsar/reference/
   robots: allow
-
 content:
   sources:
     - url: ./../../../../
       branches: HEAD
       start_path: spring-pulsar-docs/src/main/antora
       worktrees: true
-
 asciidoc:
   attributes:
     page-stackoverflow-url: https://stackoverflow.com/tags/spring-pulsar
@@ -32,17 +23,14 @@ asciidoc:
     - '@asciidoctor/tabs'
     - '@springio/asciidoctor-extensions'
   sourcemap: true
-
 urls:
   latest_version_segment_strategy: redirect:to
   latest_version_segment: ''
   redirect_facility: httpd
-
 ui:
   bundle:
-    url: https://github.com/spring-io/antora-ui-spring/releases/download/v0.4.14/ui-bundle.zip
+    url: https://github.com/spring-io/antora-ui-spring/releases/download/v0.4.16/ui-bundle.zip
     snapshot: true
-
 runtime:
   log:
     failure_level: warn

src/nohttp/suppressions.xml

@@ -4,4 +4,5 @@
 	"https://checkstyle.org/dtds/suppressions_1_2.dtd">
 <suppressions>
 	<suppress files=".+\.(jar|git|ico|p12|gif|jks|jpg|svg)" checks="NoHttp" />
+	<suppress files="[\\/]node_modules[\\/]" checks="NoHttp" />
 </suppressions>