Update user-research section to include hidden content

content/user-research/become-tester/contents.lr

@@ -8,8 +8,6 @@ subtitle: We regularly release Tor Browser Alpha versions to allow users to test
 ---
 key: 1
 ---
-_template: layout.html
----
-html: two-columns-page.html
+_hidden: yes
 ---
 body:

content/user-research/contents.lr

@@ -21,3 +21,5 @@ body:
 ## We respect our users' privacy when we conduct research.
 
 We practice human-centered design when we build tools for internet freedom. The way we build tools also builds community. Our user research is founded on the premises of consent, respect, and empathy. You can make an impact in your community by learning from our methods and helping us with user research.
+---
+_discoverable: yes

content/user-research/guidelines/contents.lr

@@ -8,12 +8,10 @@ title: User Research Guidelines
 ---
 subtitle: We collect only necessary data to improve our services.
 ---
-hide: yes
+_hidden: yes
 ---
 key: 3
 ---
-html: two-columns-page.html
----
 body:
 
 Congrats! You're going to run your first User Research for Tor - and we are delighted to have you on board!

content/user-research/open/contents.lr

@@ -12,9 +12,9 @@ title: Open User Research
 ---
 subtitle: We put our users in the center of our development process. That is how we bring privacy-enhancing technology to the ones who more need it. Explore what we are working on and start to run user research with your local community.
 ---
-key: 2
+_hidden: yes
 ---
-html: two-columns-page.html
+key: 2
 ---
 body:
 These are our current needs for testing Tor products, as well as methodologies and testing scripts. Before running Tor user research, be sure you read our [Guidelines to becoming a user researcher with Tor](https://community.torproject.org/user-research/guidelines).

lego @ a2e8d340

-Subproject commit 09c5813e895e67104dbdcf15bfec66367bd11790
+Subproject commit a2e8d340105281a2b7bbfe422a17f72e402ee1a8

templates/two-columns-page.html

@@ -6,7 +6,7 @@
   <div class="col-sm-12 col-xs-12 col-md-8 col-lg-8 pt-3 mr-auto {{ bag('alternatives', this.alt, 'order') }}">
     {{ this.body }}
     <div class="row">
-    {% for child in this.children|sort(attribute='key') %}
+    {% for child in this.children.include_hidden(true)|sort(attribute='key') %}
         <div class="col-sm-6 col-md-6 col-sm-12 col-xl-6 py-3">
             <div class="card h-100">
                 <div class="card-body">

templates/user-research.html

@@ -8,13 +8,13 @@
     </div>
   </div>
   <div class="row">
-    {% for child in this.children|sort(attribute='key') %}
+    {% for child in site.query(this.path).include_undiscoverable(true)|sort(attribute='key') %}
       <div class="col-sm-6 col-md-6 col-sm-12 col-xl-6 py-3">
         <div class="card h-100">
           <div class="card-body">
             <div class="card-body">
               <h4 class="card-title text-primary">
-                <a href="{{ child.path|url(alt=this.alt) }}">{{ _(child.title) }}</a>
+                {{ _(child.title) }}
               </h4>
               <p class="card-text">{{ _(child.subtitle) }}</p>
             </div>