docs: index landing

Change-Id: I370f88e85f77b700ab9d2d2ba202a1e05f23b490
diff --git a/docs/html/jd_collections.js b/docs/html/jd_collections.js
index a92236e..cd49ace 100644
--- a/docs/html/jd_collections.js
+++ b/docs/html/jd_collections.js
@@ -2,9 +2,9 @@
   "index/primary": {
     "title": "",
     "resources": [
-      "distribute/essentials/quality/tablets.html",
-      "distribute/engage/game-services.html",
-      "distribute/googleplay/edu/about.html" 
+      "training/building-wearables.html",
+      "preview/material/index.html",
+      "sdk/installing/studio.html" 
     ]
   },
   "index/devices": {