Add README and LICENCE for public release

LICENCE

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+Copyright (c) 2016 Ayogo Health Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+ayDialog
+========
+
+An HTML5 spec-compliant <dialog> polyfill built with Angular 1.x.
+
+<small>Copyright © 2016 Ayogo Health Inc.</small>
+
+
+Features
+--------
+
+* Automatic upgrading of `dialog` elements via Angular directive
+* Support for API methods (`show()`, `showModal()`, `close()`, `returnValue`)
+* Compatible with native `dialog` support in Chrome
+* Support for normal and modal dialogs (with backdrops)
+* Proper focus handling and disabling of background content for accessibility
+
+Usage
+-----
+
+To get started, install the package from npm: `npm install ay-dialog`
+
+### Basic Usage
+
+Add a script tag to your page to reference the dialog.js file:
+
+```html
+<script src="node_modules/ay-dialog/dialog.js"></script>
+```
+
+Reference the module in your Angular app's dependencies:
+
+```javascript
+angular.module(myApp, ['ayDialog'])
+```
+
+### ES5 with Browserify
+
+Reference the module in your Angular app's dependencies:
+
+```javascript
+var ayDialog = require('ay-dialog').default;
+
+angular.module(myApp, [ayDialog])
+```
+
+### ES6 / TypeScript
+
+Reference the module in your Angular app's dependencies:
+
+```typescript
+import ayDialog from 'ay-dialog';
+
+angular.module(myApp, [ayDialog])
+```
+
+A TypeScript module definition is included, which also provides typings for the
+HTMLDialogElement interface.
+
+
+Styling
+-------
+
+It's not possible to implement the backdrop as a pseudo-element (as it is in native implementations), so the backdrop is added as a sibling element with a `.backdrop` class.
+
+Note that you need two separate selectors to support both `.backdrop` and `::backdrop`, otherwise browsers that don't recognize the pseudo-element will skip the CSS block entirely!
+
+```css
+dialog + .backdrop {
+    background: rgba(1, 0, 0, 0.1);
+}
+
+dialog::backdrop {
+    background: rgba(1, 0, 0, 0.1);
+}
+```
+
+Notes
+-----
+
+Released under the terms of the [MIT License](LICENSE).