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.

dashboard/mock_data.py

@@ -112,4 +112,8 @@ def get_mock_context():
             "third_common_flavor": {"name": "m1.large", "count": 4},
         },
         "audits": audits,
+        "current_cluster": {
+            "host_labels": json.dumps(host_labels),
+            "cpu_current": json.dumps(cpu_current),
+        },
     }