Add views build

Author: Paul Varache

package.json

@@ -14,7 +14,7 @@
         "kash": "kash",
         "kart": "kart",
         "build:web": "kash build web . -o out/www --bundle-only",
-        "build:uwp": "kash build uwp . -o out --bundle-only",
+        "build:uwp": "yarn build && kash build uwp . -o out --bundle-only",
         "find-app:uwp": "node ./utils/find-app.js"
     },
     "author": "Kano Computing",