Provide links to gh-pages built files in lieu of issues building on Windows for now

Author: jsantell

README.md

@@ -30,6 +30,31 @@ Name | Type | Parameter description
 `volume` | Number | (Optional) The initial volume of the media; it ranges between 0 and 1; zero equals muted.
 `muted` | Boolean | (Optional) When true, mutes the sound of the video.
 
+# Downloading files
+
+The `gh-pages` branch hosts the built files. Download these instead of linking to these
+locations, since the directory structure of the repo may change in the future.
+
+* [https://googlevr.github.io/vrview/build/vrview.js](https://googlevr.github.io/vrview/build/vrview.js)
+* [https://googlevr.github.io/vrview/build/vrview.min.js](https://googlevr.github.io/vrview/build/vrview.min.js)
+* [https://googlevr.github.io/vrview/build/embed.js](https://googlevr.github.io/vrview/build/embed.js)
+* [https://googlevr.github.io/vrview/build/embed.min.js](https://googlevr.github.io/vrview/build/embed.min.js)
+* [https://googlevr.github.io/vrview/build/three.js](https://googlevr.github.io/vrview/build/three.js)
+* [https://googlevr.github.io/vrview/build/three.min.js](https://googlevr.github.io/vrview/build/three.min.js)
+* [https://googlevr.github.io/vrview/build/device-motion-sender.min.js](https://googlevr.github.io/vrview/build/device-motion-sender.min.js)
+
+# Building
+
+This project uses `browserify` to manage dependencies and build. `watchify` is
+especially convenient to preserve the write-and-reload model of development.
+This package lives in the npm index.
+
+**Current builds are not working on Windows ([#261](https://github.com/googlevr/vrview/issues/261))**
+
+Relevant commands:
+```shell
+$ npm run build # builds the iframe embed and JS API (full and minified versions).
+
 # Building
 
 This project uses `browserify` to manage dependencies and build. `watchify` is