Added backers and sponsors on the README

Author: monkeywithacupcake

README.md

@@ -2,7 +2,7 @@
 
 *Fullstack authentication and accounts-management for GraphQL and REST*
 
-[![npm](https://img.shields.io/npm/v/@accounts/server.svg?maxAge=2592000)](https://www.npmjs.com/package/@accounts/accounts) [![CircleCI](https://circleci.com/gh/accounts-js/accounts.svg?style=svg)](https://circleci.com/gh/accounts-js/accounts) [![Coverage Status](https://coveralls.io/repos/github/accounts-js/accounts/badge.svg?branch=master)](https://coveralls.io/github/accounts-js/accounts?branch=master) ![MIT License](https://img.shields.io/badge/license-MIT-blue.svg)
+[![Backers on Open Collective](https://opencollective.com/accounts-js/backers/badge.svg)](#backers) [![Sponsors on Open Collective](https://opencollective.com/accounts-js/sponsors/badge.svg)](#sponsors) [![npm](https://img.shields.io/npm/v/@accounts/server.svg?maxAge=2592000)](https://www.npmjs.com/package/@accounts/accounts) [![CircleCI](https://circleci.com/gh/accounts-js/accounts.svg?style=svg)](https://circleci.com/gh/accounts-js/accounts) [![Coverage Status](https://coveralls.io/repos/github/accounts-js/accounts/badge.svg?branch=master)](https://coveralls.io/github/accounts-js/accounts?branch=master) ![MIT License](https://img.shields.io/badge/license-MIT-blue.svg)
 
 Copyright (c) 2016 by Gadi Cohen & Tim Mikeladze.  Released under the MIT license.
 
@@ -89,3 +89,33 @@ The following hooks are available:
 * `onRefreshTokensError`: the callback will call with the `AccountsError` object.
 * `onImpersonationSuccess`: will call with: `(originalUser, impersonationResult: { authorized, user, tokens: { refreshToken, accessToken }})`
 * `onImpersonationError`: the callback will call with the `AccountsError` object.
+
+## Contributors
+
+This project exists thanks to all the people who contribute. [[Contribute](CONTRIBUTING.md)].
+<a href="graphs/contributors"><img src="https://opencollective.com/accounts-js/contributors.svg?width=890" /></a>
+
+
+## Backers
+
+Thank you to all our backers! 🙏 [[Become a backer](https://opencollective.com/accounts-js#backer)]
+
+<a href="https://opencollective.com/accounts-js#backers" target="_blank"><img src="https://opencollective.com/accounts-js/backers.svg?width=890"></a>
+
+
+## Sponsors
+
+Support this project by becoming a sponsor. Your logo will show up here with a link to your website. [[Become a sponsor](https://opencollective.com/accounts-js#sponsor)]
+
+<a href="https://opencollective.com/accounts-js/sponsor/0/website" target="_blank"><img src="https://opencollective.com/accounts-js/sponsor/0/avatar.svg"></a>
+<a href="https://opencollective.com/accounts-js/sponsor/1/website" target="_blank"><img src="https://opencollective.com/accounts-js/sponsor/1/avatar.svg"></a>
+<a href="https://opencollective.com/accounts-js/sponsor/2/website" target="_blank"><img src="https://opencollective.com/accounts-js/sponsor/2/avatar.svg"></a>
+<a href="https://opencollective.com/accounts-js/sponsor/3/website" target="_blank"><img src="https://opencollective.com/accounts-js/sponsor/3/avatar.svg"></a>
+<a href="https://opencollective.com/accounts-js/sponsor/4/website" target="_blank"><img src="https://opencollective.com/accounts-js/sponsor/4/avatar.svg"></a>
+<a href="https://opencollective.com/accounts-js/sponsor/5/website" target="_blank"><img src="https://opencollective.com/accounts-js/sponsor/5/avatar.svg"></a>
+<a href="https://opencollective.com/accounts-js/sponsor/6/website" target="_blank"><img src="https://opencollective.com/accounts-js/sponsor/6/avatar.svg"></a>
+<a href="https://opencollective.com/accounts-js/sponsor/7/website" target="_blank"><img src="https://opencollective.com/accounts-js/sponsor/7/avatar.svg"></a>
+<a href="https://opencollective.com/accounts-js/sponsor/8/website" target="_blank"><img src="https://opencollective.com/accounts-js/sponsor/8/avatar.svg"></a>
+<a href="https://opencollective.com/accounts-js/sponsor/9/website" target="_blank"><img src="https://opencollective.com/accounts-js/sponsor/9/avatar.svg"></a>
+
+