Blocks: add description to timeline and fix block page

app/models/communication/block/template/post.rb

@@ -35,7 +35,7 @@ class Communication::Block::Template::Post < Communication::Block::Template
     category.posts.ordered.limit(quantity)
   end
 
-  def selected_posts_free
+  def selected_posts_selection
     elements.map { |element| post(element['id']) }
             .compact
   end

app/models/communication/block/template/timeline.rb

 class Communication::Block::Template::Timeline < Communication::Block::Template
+
+  def description
+    "#{data['description']}"
+  end
+
   def events
     @events ||= elements.map { |element| event(element) }
                               .compact

app/views/admin/communication/blocks/templates/pages/_edit.html.erb

@@ -59,7 +59,6 @@
                     <option value="<%= page[:id] %>"><%= page[:label].html_safe %></option>
                   <% end %>
                 </select>
-                
               </div>
               <div class="col-6">
                 <div class="col-md-6">

app/views/admin/communication/blocks/templates/timeline/_edit.html.erb

+<label for="description"><%= t '.description_placeholder' %></label>
+<textarea class="form-control mb-2"
+          rows="3"
+          v-model="data.description"
+          placeholder="<%= t '.description_placeholder' %>"
+          id="description"></textarea>
+
 <a  class="<%= button_classes('mb-4') %>"
     v-on:click="data.elements.push({title: '', text: ''})">
     <%= t '.add_event' %>

app/views/admin/communication/blocks/templates/timeline/_show.html.erb

+<p><%= @block.template.description %></p>
 <div class="row">
   <% @block.template.events.each do |event| %>
       <div class="col-xxl-4 col-xl-6">

app/views/admin/communication/blocks/templates/timeline/_static.html.erb

+      description: >-
+        <%= prepare_text_for_static block.template.description %>  
+      events:
 <% block.template.events.each do |event| %>
-      - title: >-
-          <%= prepare_text_for_static event.title %>
-        text: >-
-          <%= prepare_text_for_static event.text %>
+        - title: >-
+            <%= prepare_text_for_static event.title %>
+          text: >-
+            <%= prepare_text_for_static event.text %>
 <% end %>

config/locales/communication/fr.yml

@@ -165,6 +165,8 @@ fr:
               remove_testimonial: Enlever le témoignage
           timeline:
             edit:
+              description_label: Description
+              description_placeholder: Entrer la description
               add_event: Ajouter un événement
               remove_event: Supprimer l'événement
               title_label: Titre