open API Docs link in new tab from navigation bar

Author: SHINTEKI

templates/navigation.html

@@ -28,7 +28,7 @@ <h2 class="offcanvas-title display-5" id="offcanvasNavbarLabel">PanKB</h2>
                         <a class="nav-link text-nowrap{% if active_page == 'ai_assistant' %} active{% endif %}" href="{% url 'ai_assistant' %}">AI Assistant</a>
                     </li>
                     <li class="nav-item">
-                        <a class="nav-link text-nowrap{% if active_page == 'api_docs' %} active{% endif %}" href="{% url 'swagger-ui' %}">API Docs</a>
+                        <a class="nav-link text-nowrap{% if active_page == 'api_docs' %} active{% endif %}" href="{% url 'swagger-ui' %}" target="_blank">API Docs</a>
                     </li>
                 </ul>
             </div>