[IMP] tutorials/*: hide outdated tutorials

*: backend, web, website

task-2991663

Part-of: odoo/documentation#3655

content/developer/tutorials.rst

@@ -16,8 +16,6 @@ Tutorials
     tutorials/mixins
     tutorials/pdf_reports
     tutorials/dashboards
-    tutorials/backend
-    tutorials/website
 
 .. raw:: html
 
@@ -139,18 +137,4 @@ Tutorials
            </div>
        </a>
 
-       <a class="o_toctree_card col" href="tutorials/website.html">
-           <div class="card h-100">
-               <div class="card-body pb-0">
-                   <h4 class="card-title text-primary mb-1">Building a website</h4>
-                   <p class="card-text text-dark fw-normal">
-                       Build your first website modules with Odoo.
-                   </p>
-               </div>
-               <div class="card-footer border-0">
-                   <span class="badge rounded-pill bg-dark mt-auto mb-2">Beginner</span>
-               </div>
-           </div>
-       </a>
-
    </div>

content/developer/tutorials/backend.rst

@@ -1,3 +1,4 @@
+:orphan:
 
 .. _howto/base:
 .. _howto/module:
@@ -6,6 +7,9 @@
 Building a Module
 =================
 
+.. danger::
+   This tutorial is outdated. We recommend reading :doc:`getting_started` instead.
+
 .. warning::
    This tutorial requires :ref:`having installed Odoo <setup/install>`
 

content/developer/tutorials/web.rst

@@ -4,11 +4,8 @@
 Customizing the web client
 ==========================
 
-.. note::
+.. danger::
-
+   This tutorial is outdated.
-    this section is really really out of date. It will be updated someday,
-    but meanwhile, this tutorial will probably be frustrating to follow, since it
-    was written a long time ago.
 
 .. highlight:: javascript
 

content/developer/tutorials/website.rst

@@ -1,7 +1,12 @@
+:orphan:
+
 ==================
 Building a Website
 ==================
 
+.. danger::
+   This tutorial is outdated. We recommend reading :doc:`getting_started` instead.
+
 .. warning::
 
     * This guide assumes `basic knowledge of Python