docs: add backers/sponsors

Author: Roland Groza

README.md

@@ -1,10 +1,12 @@
-# File Selector
+# file-selector
 
 > A small package for converting a [DragEvent](https://developer.mozilla.org/en-US/docs/Web/API/DragEvent) or [file input](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input/file) to a list of File objects.
 
 [![npm](https://img.shields.io/npm/v/file-selector.svg?style=flat-square)](https://www.npmjs.com/package/file-selector)
-[![GitHub Workflow Status](https://img.shields.io/github/workflow/status/react-dropzone/file-selector/Test?label=tests&style=flat-square)](https://github.com/react-dropzone/file-selector/actions?query=workflow%3ATest)
-[![Coveralls github branch](https://img.shields.io/coveralls/github/react-dropzone/file-selector/master?style=flat-square)](https://coveralls.io/github/react-dropzone/file-selector?branch=master)
+[![Tests](https://img.shields.io/github/workflow/status/react-dropzone/file-selector/Test?label=tests&style=flat-square)](https://github.com/react-dropzone/file-selector/actions?query=workflow%3ATest)
+[![codecov](https://img.shields.io/coveralls/github/react-dropzone/file-selector/master?style=flat-square)](https://coveralls.io/github/react-dropzone/file-selector?branch=master)
+[![Open Collective Backers](https://img.shields.io/opencollective/backers/react-dropzone.svg?style=flat-square)](#backers)
+[![Open Collective Sponsors](https://img.shields.io/opencollective/sponsors/react-dropzone.svg?style=flat-square)](#sponsors)
 
 # Table of Contents
 
@@ -13,10 +15,11 @@
 * [Browser Support](#browser-support)
 * [Contribute](#contribute)
 * [Credits](#credits)
+* [Support](#support)
+* [License](#license)
 
 
-### Installation
-----------------
+## Installation
 You can install this package from [NPM](https://www.npmjs.com):
 ```bash
 npm add file-selector
@@ -27,7 +30,7 @@ Or with [Yarn](https://yarnpkg.com/en):
 yarn add file-selector
 ```
 
-#### CDN
+### CDN
 For CDN, you can use [unpkg](https://unpkg.com):
 
 [https://unpkg.com/file-selector/dist/bundles/file-selector.umd.min.js](https://unpkg.com/file-selector/dist/bundles/file-selector.umd.min.js)
@@ -42,10 +45,9 @@ document.addEventListener('drop', async evt => {
 ```
 
 
-### Usage
----------
+## Usage
 
-#### ES6
+### ES6
 Convert a [DragEvent](https://developer.mozilla.org/en-US/docs/Web/API/DragEvent) to File objects:
 ```ts
 import {fromEvent} from 'file-selector';
@@ -77,7 +79,7 @@ console.log(files);
 ```
 **NOTE** The above is experimental and subject to change.
 
-#### CommonJS
+### CommonJS
 Convert a `DragEvent` to File objects:
 ```ts
 const {fromEvent} = require('file-selector');
@@ -88,8 +90,7 @@ document.addEventListener('drop', async evt => {
 ```
 
 
-### Browser Support
--------------------
+## Browser Support
 Most browser support basic File selection with drag 'n' drop or file input:
 * [File API](https://developer.mozilla.org/en-US/docs/Web/API/File#Browser_compatibility)
 * [Drag Event](https://developer.mozilla.org/en-US/docs/Web/API/DragEvent#Browser_compatibility)
@@ -105,13 +106,45 @@ For folder drop we use the [FileSystem API](https://developer.mozilla.org/en-US/
 * [FileSystemDirectoryReader.readEntries()](https://developer.mozilla.org/en-US/docs/Web/API/FileSystemDirectoryReader/readEntries#Browser_compatibility)
 
 
-### Contribute
---------------
+## Contribute
 If you wish to contribute, please use the following guidelines:
 * Use [Conventional Commits](https://conventionalcommits.org)
 * Use `[ci skip]` in commit messages to skip a build
 
-
-### Credits
------------
+## Credits
 * [html5-file-selector](https://github.com/quarklemotion/html5-file-selector)
+
+## Support
+
+### Backers
+Support us with a monthly donation and help us continue our activities. [[Become a backer](https://opencollective.com/react-dropzone#backer)]
+
+<a href="https://opencollective.com/react-dropzone/backer/0/website" target="_blank"><img src="https://opencollective.com/react-dropzone/backer/0/avatar.svg"></a>
+<a href="https://opencollective.com/react-dropzone/backer/1/website" target="_blank"><img src="https://opencollective.com/react-dropzone/backer/1/avatar.svg"></a>
+<a href="https://opencollective.com/react-dropzone/backer/2/website" target="_blank"><img src="https://opencollective.com/react-dropzone/backer/2/avatar.svg"></a>
+<a href="https://opencollective.com/react-dropzone/backer/3/website" target="_blank"><img src="https://opencollective.com/react-dropzone/backer/3/avatar.svg"></a>
+<a href="https://opencollective.com/react-dropzone/backer/4/website" target="_blank"><img src="https://opencollective.com/react-dropzone/backer/4/avatar.svg"></a>
+<a href="https://opencollective.com/react-dropzone/backer/5/website" target="_blank"><img src="https://opencollective.com/react-dropzone/backer/5/avatar.svg"></a>
+<a href="https://opencollective.com/react-dropzone/backer/6/website" target="_blank"><img src="https://opencollective.com/react-dropzone/backer/6/avatar.svg"></a>
+<a href="https://opencollective.com/react-dropzone/backer/7/website" target="_blank"><img src="https://opencollective.com/react-dropzone/backer/7/avatar.svg"></a>
+<a href="https://opencollective.com/react-dropzone/backer/8/website" target="_blank"><img src="https://opencollective.com/react-dropzone/backer/8/avatar.svg"></a>
+<a href="https://opencollective.com/react-dropzone/backer/9/website" target="_blank"><img src="https://opencollective.com/react-dropzone/backer/9/avatar.svg"></a>
+<a href="https://opencollective.com/react-dropzone/backer/10/website" target="_blank"><img src="https://opencollective.com/react-dropzone/backer/10/avatar.svg"></a>
+
+### Sponsors
+Become a sponsor and get your logo on our README on Github with a link to your site. [[Become a sponsor](https://opencollective.com/react-dropzone#sponsor)]
+
+<a href="https://opencollective.com/react-dropzone/sponsor/0/website" target="_blank"><img src="https://opencollective.com/react-dropzone/sponsor/0/avatar.svg"></a>
+<a href="https://opencollective.com/react-dropzone/sponsor/1/website" target="_blank"><img src="https://opencollective.com/react-dropzone/sponsor/1/avatar.svg"></a>
+<a href="https://opencollective.com/react-dropzone/sponsor/2/website" target="_blank"><img src="https://opencollective.com/react-dropzone/sponsor/2/avatar.svg"></a>
+<a href="https://opencollective.com/react-dropzone/sponsor/3/website" target="_blank"><img src="https://opencollective.com/react-dropzone/sponsor/3/avatar.svg"></a>
+<a href="https://opencollective.com/react-dropzone/sponsor/4/website" target="_blank"><img src="https://opencollective.com/react-dropzone/sponsor/4/avatar.svg"></a>
+<a href="https://opencollective.com/react-dropzone/sponsor/5/website" target="_blank"><img src="https://opencollective.com/react-dropzone/sponsor/5/avatar.svg"></a>
+<a href="https://opencollective.com/react-dropzone/sponsor/6/website" target="_blank"><img src="https://opencollective.com/react-dropzone/sponsor/6/avatar.svg"></a>
+<a href="https://opencollective.com/react-dropzone/sponsor/7/website" target="_blank"><img src="https://opencollective.com/react-dropzone/sponsor/7/avatar.svg"></a>
+<a href="https://opencollective.com/react-dropzone/sponsor/8/website" target="_blank"><img src="https://opencollective.com/react-dropzone/sponsor/8/avatar.svg"></a>
+<a href="https://opencollective.com/react-dropzone/sponsor/9/website" target="_blank"><img src="https://opencollective.com/react-dropzone/sponsor/9/avatar.svg"></a>
+<a href="https://opencollective.com/react-dropzone/sponsor/10/website" target="_blank"><img src="https://opencollective.com/react-dropzone/sponsor/10/avatar.svg"></a>
+
+## License
+MIT