hub/conat: discover via k8s api

Author: haraldschilly

src/packages/hub/package.json

@@ -18,6 +18,7 @@
     "@cocalc/static": "workspace:*",
     "@cocalc/util": "workspace:*",
     "@isaacs/ttlcache": "^1.4.1",
+    "@kubernetes/client-node": "^1.3.0",
     "@types/formidable": "^3.4.5",
     "async": "^1.5.2",
     "awaiting": "^3.0.0",