feat: initial release of headlamp-intel-gpu-plugin v0.1.0

Adds a Headlamp plugin for Intel GPU device plugin visibility:

- Dedicated sidebar section: Overview, Device Plugins, GPU Nodes, GPU Pods
- Native Node detail page injection: GPU capacity, allocatable, utilization, active pods
- Native Pod detail page injection: per-container GPU resource requests/limits
- Native Nodes table: GPU Type and GPU Devices columns
- App bar health badge (hidden when plugin not installed)
- GpuDevicePlugin CRD monitoring (deviceplugin.intel.com/v1) with graceful
  degradation when CRD is not present
- Supports discrete (i915), Xe, and integrated GPU nodes via node labels
- 48 unit tests, TypeScript clean, 28 kB production bundle

Generated with [Claude Code](https://claude.ai/code)
via [Happy](https://happy.engineering)

Co-Authored-By: Claude <noreply@anthropic.com>
Co-Authored-By: Happy <yesreply@happy.engineering>

vitest.config.mts

@@ -0,0 +1,10 @@
+import { defineConfig } from 'vitest/config';
+
+export default defineConfig({
+  test: {
+    globals: true,
+    environment: 'jsdom',
+    setupFiles: ['./vitest.setup.ts'],
+    exclude: ['e2e/**', 'node_modules/**'],
+  },
+});