Distribute raw and built files together (#23)

- Copy raw CSS files to dist/release/dojo for use with composition
- Output transformed CSS modules and index.ts to dist/release/dojo as
  index.css and index.js, respectively
- Output a separate build for use with custom elements to
  dist/release/dojo, including any assets (which will also be hashed)

README.md

@@ -6,7 +6,11 @@ Package that contains a collection of Dojo themes.
 
 ## Usage
 
-Simply `npm i @dojo/themes` into your project and import the theme you require.
+### With Dojo applications
+
+1. Install `@dojo/themes` with `npm i @dojo/themes`.
+2. Import the theme CSS into your project's `main.css`: `@import '@dojo/themes/dojo`.
+3. Import the theme module and pass it to the widgets you need themed:
 
 ``` javascript
 import theme from '@dojo/themes/dojo';
@@ -16,6 +20,12 @@ render() {
 }
 ```
 
+### With custom elements
+
+1. Install `@dojo/themes` with `npm i @dojo/themes`.
+2. Add the custom element-specific theme CSS to `index.html`: `<link rel="stylesheet" href="node_modules/@dojo/themes/dojo/dojo-{version}.css">`.
+3. Add the custom element-specific theme JS to `index.html`: `<script src="node_modules/@dojo/themes/dojo/dojo-{version}.js"></script>`.
+
 ## Composition
 
 To compose and extend the themes within a dojo project, run `npm i @dojo/themes` and use the `css-module` composes functionality.
@@ -33,4 +43,7 @@ Variables can be used by using `@import` to import the `variables.css` file from
 
 ## Generating typings
 
-Run `npm run build` to generate `.m.css.d.ts` files
+The following `npm` scripts are available to facilitate development:
+
+- `build:tcm`: generate `.m.css.d.ts` files
+- `watch`: generate `.m.css.d.ts` files in watch mode