t/1: Implemented the balloon block build

.eslintrc.js

@@ -0,0 +1,12 @@
+/**
+ * @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
+ * For licensing, see LICENSE.md.
+ */
+
+/* eslint-env node */
+
+'use strict';
+
+module.exports = {
+	extends: 'ckeditor5'
+};

LICENSE.md

@@ -2,7 +2,7 @@ Software License Agreement
 ==========================
 
 **CKEditor 5 balloon block editor build** – https://github.com/ckeditor/ckeditor5-build-balloon-block <br>
-Copyright (c) 2003-2018, [CKSource](http://cksource.com) Frederico Knabben. All rights reserved.
+Copyright (c) 2003-2019, [CKSource](http://cksource.com) Frederico Knabben. All rights reserved.
 
 Licensed under the terms of [GNU General Public License Version 2 or later](http://www.gnu.org/licenses/gpl.html).
 

README.md

@@ -1,2 +1,73 @@
 CKEditor 5 balloon block editor build
 ==============================================
+
+[![Join the chat at https://gitter.im/ckeditor/ckeditor5](https://badges.gitter.im/ckeditor/ckeditor5.svg)](https://gitter.im/ckeditor/ckeditor5?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
+[![npm version](https://badge.fury.io/js/%40ckeditor%2Fckeditor5-build-balloon-block.svg)](https://www.npmjs.com/package/@ckeditor/ckeditor5-build-balloon-block)
+[![Dependency Status](https://david-dm.org/ckeditor/ckeditor5-build-balloon-block/status.svg)](https://david-dm.org/ckeditor/ckeditor5-build-balloon-block)
+[![devDependency Status](https://david-dm.org/ckeditor/ckeditor5-build-balloon-block/dev-status.svg)](https://david-dm.org/ckeditor/ckeditor5-build-balloon-block?type=dev)
+
+The balloon editor build for CKEditor 5. Read more about the [balloon editor build](https://ckeditor.com/docs/ckeditor5/latest/builds/guides/overview.html#balloon-block-editor) and see the [demo](https://ckeditor.com/docs/ckeditor5/latest/examples/builds/balloon-block-editor.html).
+
+![CKEditor 5 balloon editor build screenshot](https://c.cksource.com/a/1/img/npm/ckeditor5-build-balloon-block.png)
+
+## Documentation
+
+See:
+
+* [Installation](https://ckeditor.com/docs/ckeditor5/latest/builds/guides/integration/installation.html) for how to install this package and what it contains.
+* [Basic API](https://ckeditor.com/docs/ckeditor5/latest/builds/guides/integration/basic-api.html) for how to create an editor and interact with it.
+* [Configuration](https://ckeditor.com/docs/ckeditor5/latest/builds/guides/integration/configuration.html) for how to configure the editor.
+* [Creating custom builds](https://ckeditor.com/docs/ckeditor5/latest/builds/guides/development/custom-builds.html) for how to customize the build (configure and rebuild the editor bundle).
+
+## Quick start
+
+First, install the build from npm:
+
+```bash
+npm install --save @ckeditor/ckeditor5-build-balloon-block
+```
+
+And use it in your website:
+
+```html
+<div id="editor">
+	<p>This is the editor content.</p>
+</div>
+<script src="./node_modules/@ckeditor/ckeditor5-build-balloon-block/build/ckeditor.js"></script>
+<script>
+	BalloonBlockEditor
+		.create( document.querySelector( '#editor' ) )
+		.then( editor => {
+			window.editor = editor;
+		} )
+		.catch( err => {
+			console.error( err.stack );
+		} );
+</script>
+```
+
+Or in your JavaScript application:
+
+```js
+import BalloonEditor from '@ckeditor/ckeditor5-build-balloon-block';
+
+// Or using the CommonJS version:
+// const BalloonBlockEditor = require( '@ckeditor/ckeditor5-build-balloon-block' );
+
+BalloonBlockEditor
+	.create( document.querySelector( '#editor' ) )
+	.then( editor => {
+		window.editor = editor;
+	} )
+	.catch( err => {
+		console.error( err.stack );
+	} );
+```
+
+**Note:** If you are planning to integrate CKEditor 5 deep into your application, it is actually more convenient and recommended to install and import the source modules directly (like it happens in `ckeditor.js`). Read more in the [Advanced setup guide](https://ckeditor.com/docs/ckeditor5/latest/builds/guides/integration/advanced-setup.html).
+
+**Note:** You can configure the block toolbar items using the {@link module:core/editor/editorconfig~EditorConfig#blockToolbar `config.blockToolbar`} option.
+
+## License
+
+Licensed under the terms of [GNU General Public License Version 2 or later](http://www.gnu.org/licenses/gpl.html). For full details about the license, please check the `LICENSE.md` file.