Add DM Sans font integration and enhance dashboard context

- Added DM Sans font to the project, including multiple weights and styles for improved typography.
- Updated package.json and package-lock.json to include @fontsource/dm-sans dependency.
- Enhanced dashboard context to include current cluster CPU state, integrating new data into the context and API responses.
- Updated relevant templates and JavaScript to utilize the new current cluster data for better visualization and user experience.

templates/base.html

@@ -6,9 +6,6 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>{% block title %}SWatcher{% endblock %}</title>
     <link rel="icon" href="{% static 'favicon.ico' %}" type="image/x-icon">
-    <link rel="preconnect" href="https://fonts.googleapis.com">
-    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
-    <link href="https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,100..1000;1,9..40,100..1000&display=swap" rel="stylesheet">
     <link rel="stylesheet" href="{% static 'css/output.css' %}">
     <script src="{% static 'js/html2canvas-pro.min.js' %}"></script>
     <script src="{% static 'js/jspdf.umd.min.js' %}"></script>