feat(module_lesson_page.html): add link to Gitea code

home/templates/home/module_lesson_page.html

@@ -19,6 +19,15 @@
     &raquo; <span class="text-gray-500">{{ page.title }}</span>
   </h2>
 
+  {% if page.create_gitea_repo and page.gitea_repo_url %}
+    <p class="not-prose mb-6 text-gray-600 text-lg flex items-center gap-1">
+      <i class="fi fi-br-code-window leading-0"></i>
+      <a href="{{ page.gitea_repo_url }}" class="hover:underline" target="_blank" rel="noopener noreferrer">
+        {% trans "View code on Gitea" %}
+      </a>
+    </p>
+  {% endif %}
+
   {{ page.body|richtext }}
 {% endblock content %}