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>

crush.json

@@ -72,6 +72,11 @@
       "command": "/home/charles/Projects/KNEL/KNEL-AIMiddleware/mcp-imap-wrapper.sh",
       "timeout": 60
     },
+    "kubernetes": {
+      "type": "stdio",
+      "command": "/home/charles/Projects/KNEL/KNEL-AIMiddleware/mcp-kubernetes-wrapper.sh",
+      "timeout": 60
+    },
     "docspace": {
       "type": "stdio",
       "command": "/home/charles/Projects/KNEL/KNEL-AIMiddleware/mcp-docspace-wrapper.sh",