Release v3.6.0-beta.1 (#762)

* 3.6.0-beta.1

Signed-off-by: Lauri Nevala <lauri.nevala@gmail.com>

package.json

@@ -2,7 +2,7 @@
   "name": "kontena-lens",
   "productName": "Lens",
   "description": "Lens - The Kubernetes IDE",
-  "version": "3.6.0-dev",
+  "version": "3.6.0-beta.1",
   "main": "static/build/main.js",
   "copyright": "© 2020, Mirantis, Inc.",
   "license": "MIT",