K8s add cluster lookup (#2571)

* Kubernetes plugins boilerplate

* pr feedback; check for k8s annotation

* temp

* fix config

* add example local setup

* dice rolelr

* rever yarn lock update

* forgotten prettier

* prettier again

* master lock

* update lock with k8s deps

* prettier

* router tests

* internal error

* fix package.json

* PR feedback

* more pr feedback

* rename component file

* kubernetes fetcher tests

* fix test

* option constructor

plugins/kubernetes-backend/package.json

@@ -21,7 +21,9 @@
   },
   "dependencies": {
     "@backstage/backend-common": "^0.1.1-alpha.23",
+    "@backstage/config": "^0.1.1-alpha.23",
     "@types/express": "^4.17.6",
+    "@kubernetes/client-node": "^0.12.1",
     "compression": "^1.7.4",
     "cors": "^2.8.5",
     "express": "^4.17.1",
@@ -29,12 +31,14 @@
     "fs-extra": "^9.0.0",
     "helmet": "^4.0.0",
     "morgan": "^1.10.0",
+    "stream-buffers": "^3.0.2",
     "winston": "^3.2.1",
     "yn": "^4.0.0"
   },
   "devDependencies": {
-    "@backstage/cli": "^0.1.1-alpha.23",
-    "jest-fetch-mock": "^3.0.3"
+    "jest-fetch-mock": "^3.0.3",
+    "supertest": "^4.0.2",
+    "@backstage/cli": "^0.1.1-alpha.23"
   },
   "files": [
     "dist"