Introduce eslint and prettier for features and start using it (#7306)

* Introduce package for sharing eslint and prettier configurations

Co-authored-by: Mikko Aspiala <mikko.aspiala@gmail.com>

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Start using eslint and prettier in packages

Co-authored-by: Mikko Aspiala <mikko.aspiala@gmail.com>

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

---------

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

packages/technical-features/feature-core/package.json

@@ -28,9 +28,15 @@
   "scripts": {
     "build": "webpack",
     "dev": "webpack --mode=development --watch",
-    "test": "jest --coverage --runInBand"
+    "test": "jest --coverage --runInBand",
+    "lint": "lens-lint",
+    "lint:fix": "lens-lint --fix"
   },
   "peerDependencies": {
     "@ogre-tools/injectable": "^15.1.2"
+  },
+
+  "devDependencies": {
+    "@k8slens/eslint-config": "*"
   }
 }