chore(release): prepare 2.6.0 with bundled Android helper

apps/showcase_ui/package.json

@@ -1,6 +1,6 @@
 {
   "name": "artemis-showcase-ui",
-  "version": "2.5.0",
+  "version": "2.6.0",
   "scripts": {
     "ng": "ng",
     "start": "ng serve --proxy-config proxy.conf.json",