refactor: удалены внешние зависимости — pico.css и htmx.js теперь локально

Скачаны и сохранены в /static:
- pico.min.css v2 (83 KB)
- htmx.min.js v2.0.4 (51 KB)
Добавлены в .gitignore

guarddog_nexus/web/templates/base.html

@@ -4,8 +4,8 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1">
     <title>{% block title %}GuardDog Nexus{% endblock %}</title>
-    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@picocss/pico@2/css/pico.min.css">
-    <script src="https://unpkg.com/htmx.org@2.0.4"></script>
+    <link rel="stylesheet" href="/static/pico.min.css">
+    <script src="/static/htmx.min.js"></script>
     <link rel="stylesheet" href="/static/style.css">
     <script src="/static/app.js"></script>
 </head>