feat: status and settings links in the header of every machine page

internal/server/web/templates/status.html

@@ -29,6 +29,7 @@
     <a href="/agents/{{.Agent.ID}}/terminal">Терминал</a>
     <a href="/agents/{{.Agent.ID}}/files">Файлы</a>
     <a href="/agents/{{.Agent.ID}}/forwards">Порты</a>
+    <a href="/agents/{{.Agent.ID}}/edit">Настройки</a>
   </nav>
 </header>
 <div class="wrap">