message: Add README instructions for web samples.
diff: @@ -164,7 +164,7 @@ Make sure the environment variable `ANDROID_HOME` points to the location of your
  By default our build system will attempt to compile the Java bindings. To do so, the environment
  variable `JAVA_HOME` should point to the location of your JDK.
  -When building for WebGL, you'll also need to set `EMSDK`. See [WebAssembly](#WebAssembly).
  +When building for WebGL, you'll also need to set `EMSDK`. See [WebAssembly](#webassembly).
  ### IDE
  @@ -671,7 +671,7 @@ productFlavors {
  ### WebAssembly
  As an experimental feature, the core Filament library can be cross-compiled to WebAssembly from
  -either macOS or Linux. To get started, do the following only once:
  +either macOS or Linux. To get started, install the Emscripten SDK as follows:
  ```
  cd <your chosen home for the emscripten SDK>
  @@ -688,6 +688,11 @@ export EMSDK=$PWD
  The last line in the above snippet is required so that our build script can find the Emscripten SDK.
  After this you can invoke our standard build script with `-p webgl`.
  +Invoking the [easy build](#easy-build) script with `-p webgl` creates a `public` folder in
  +`out/cmake-web-release/samples/web`. This folder can be used as the root of a simple static web
  +server. Each sample app has its own handwritten html file, wasm file, and js loader. Additionally
  +the public folder contains meshes, textures, and the tiny `filaweb.js` library.
  +
  ## Running the samples
  The `samples/` directory contains several examples of how to use Filament with SDL2.
  