Move Node.js adapter to guides

Closes #31696

Signed-off-by: Giuseppe Graziano <g.graziano94@gmail.com>

docs/documentation/securing_apps/topics.adoc

@@ -10,8 +10,6 @@ include::topics/oidc/oidc-overview.adoc[]
 
 include::topics/oidc/javascript-adapter.adoc[]
 
-include::topics/oidc/nodejs-adapter.adoc[]
-
 ifeval::[{project_community}==true]
 include::topics/oidc/mod-auth-openidc.adoc[]
 endif::[]

docs/guides/securing-apps/nodejs-adapter.adoc

@@ -1,5 +1,10 @@
-[[_nodejs_adapter]]
-=== {project_name} Node.js adapter
+<#import "/templates/guide.adoc" as tmpl>
+<#import "/templates/links.adoc" as links>
+
+<@tmpl.guide
+title="{project_name} Node.js adapter"
+priority=40
+summary="Node.js adapter to protect server-side JavaScript apps">
 
 {project_name} provides a Node.js adapter built on top of https://github.com/senchalabs/connect[Connect] to protect server-side JavaScript apps - the goal was to be flexible enough to integrate with frameworks like https://expressjs.com/[Express.js].
 
@@ -12,7 +17,7 @@ To use the Node.js adapter, first you must create a client for your application
 
 Once the client is created, click *Action* at the top right and choose *Download adapter config*. For *Format, choose *Keycloak OIDC JSON* and click *Download*. The downloaded `keycloak.json` file is at the root folder of your project.
 
-==== Installation
+== Installation
 
 Assuming you have already installed https://nodejs.org[Node.js], create a folder for your application:
 
@@ -42,7 +47,7 @@ ifeval::[{project_product}==true]
 
 endif::[]
 
-==== Usage
+== Usage
 Instantiate a Keycloak class::
 
 The `Keycloak` class provides a central point for configuration
@@ -146,7 +151,7 @@ By default, the scope value `openid` is passed as a query parameter to {project_
 [source,javascript]
     const keycloak = new Keycloak({ scope: 'offline_access' });
 
-==== Installing middleware
+== Installing middleware
 
 Once instantiated, install the middleware into your connect-capable app:
 
@@ -180,7 +185,7 @@ Last but not least, let's set up our server to listen for HTTP requests on port
     });
 ----
 
-==== Configuration for proxies
+== Configuration for proxies
 
 If the application is running behind a proxy that terminates an SSL connection
 Express must be configured per the link:https://expressjs.com/en/guide/behind-proxies.html[express behind proxies] guide.
@@ -198,7 +203,7 @@ Example configuration:
     app.use( keycloak.middleware() );
 ----
 
-==== Protecting resources
+== Protecting resources
 
 Simple authentication::
 
@@ -336,7 +341,7 @@ For example, this override checks if the URL contains /api/ and disables login r
     };
 ----
 
-==== Additional URLs
+== Additional URLs
 
 Explicit user-triggered logout::
 
@@ -368,6 +373,8 @@ to the `middleware()` call:
 [source,javascript]
     app.use( keycloak.middleware( { admin: '/callbacks' } );
 
-==== Complete example 
+== Complete example
 
 A complete example using the Node.js adapter usage can be found in {quickstartRepo_link}/tree/latest/nodejs/resource-server[Keycloak quickstarts for Node.js]
+
+</@tmpl.guide>