feat: initial kube-vip Headlamp plugin

Headlamp plugin providing visibility into kube-vip virtual IP and load
balancer deployments. Features:

- Overview dashboard with deployment status, VIP mode, leader election
- Services page with LoadBalancer VIP assignments and detail panels
- Nodes page showing kube-vip pod status and leader designation
- Configuration page with DaemonSet config, IP pools, leases
- Service detail section injected into native Headlamp Service views

Read-only plugin — no cluster write operations. Uses standard K8s
resources (no CRDs): Services, Nodes, Pods, DaemonSets, Leases,
ConfigMaps with kube-vip.io/* annotations.

74 tests across 7 test files. All tsc/lint/format/test checks pass.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.mcp.json

@@ -0,0 +1,12 @@
+{
+  "mcpServers": {
+    "github": {
+      "type": "http",
+      "url": "https://api.githubcopilot.com/mcp/",
+      "headers": { "Authorization": "Bearer ${GITHUB_TOKEN}" }
+    },
+    "kubernetes": { "type": "sse", "url": "http://localhost:8080/sse" },
+    "flux": { "type": "sse", "url": "http://localhost:8081/sse" },
+    "playwright": { "type": "sse", "url": "http://localhost:8086/sse" }
+  }
+}