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/tests/test_mock_data.py

@@ -11,7 +11,7 @@ class GetMockContextTest(TestCase):
 
     def test_returns_all_top_level_keys(self):
         ctx = get_mock_context()
-        expected_keys = {"region", "pcpu", "vcpu", "pram", "vram", "vm", "flavors", "audits"}
+        expected_keys = {"region", "pcpu", "vcpu", "pram", "vram", "vm", "flavors", "audits", "current_cluster"}
         self.assertEqual(set(ctx.keys()), expected_keys)
 
     def test_region_structure(self):