feat: integrate silenceper/mcp-k8s for kubernetes-mcp

- Switch from empty ahujasid/kubernetes-mcp-server to silenceper/mcp-k8s
- Build multi-stage Go container (golang:1.24.1 -> alpine:3.18.4)
- Add wrapper script with kubeconfig mount
- Configure in crush.json for Crush integration
- Update STATUS.md with working status

Supports K8s resources (get/list/create/update/delete) and Helm operations.

💔 Generated with Crush

Assisted-by: GLM-5 via Crush <crush@charm.land>

mcp-kubernetes-wrapper.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+docker run -i --rm \
+  -v ~/.kube/config:/root/.kube/config:ro \
+  kneldevstack-aimiddleware-kubernetes-mcp \
+  --transport stdio