feat: article creation

articles/templates/archive.html

@@ -13,6 +13,11 @@
         <img src="{% static 'logo.svg' %}" />
         <h1>Всё про IT</h1>
     </div>
+    {% block write %}
+    {% if not user.is_anonymous %}
+        <a href="/article/new">Написать статью</a>
+    {% endif %}
+    {% endblock %}
     <div class="archive">
         {% for post in posts %}
             <a class="post-link" href="/article/{{ post.id }}">