fix: Add space between C++ and version number

Author: julioest

templates/v3/includes/_library_item.html

@@ -31,7 +31,7 @@
       {% for cat in categories %}
         {% include "v3/includes/_category_tag.html" with tag_label=cat.label url=cat.url variant=cat.variant %}
       {% endfor %}
-      <span class="version-tag version-tag--default library-item__cpp-version">{{ cpp_version }}</span>
+      <span class="version-tag version-tag--default library-item__cpp-version">C++ {{ cpp_version|cut:"C++" }}</span>
     </div>
   </div>
 
@@ -40,7 +40,7 @@
   </div>
 
   <div class="library-item__actions">
-    <span class="version-tag version-tag--default library-item__cpp-version--desktop">{{ cpp_version }}</span>
+    <span class="version-tag version-tag--default library-item__cpp-version--desktop">C++ {{ cpp_version|cut:"C++" }}</span>
     {% include "v3/includes/_button.html" with url=doc_url label="" icon_name="documentation" icon_size=32 icon_viewbox="0 0 16 16" style="icon-library" aria_label="View documentation for "|add:library_name %}
   </div>