update readme

README.md

@@ -9,10 +9,12 @@
   <a href="https://www.npmjs.com/package/react-native-firebase"><img src="https://img.shields.io/npm/dm/react-native-firebase.svg?style=flat-square" alt="NPM downloads"></a>
   <a href="https://www.npmjs.com/package/react-native-firebase"><img src="https://img.shields.io/npm/v/react-native-firebase.svg?style=flat-square" alt="NPM version"></a>
   <a href="/LICENSE"><img src="https://img.shields.io/npm/l/react-native-firebase.svg?style=flat-square" alt="License"></a>
-  <a href="#backers"><img src="https://opencollective.com/react-native-firebase/backers/badge.svg?style=flat-square" alt="Backers on Open Collective"></a>
-  <a href="#sponsors"><img src="https://opencollective.com/react-native-firebase/sponsors/badge.svg?style=flat-square" alt="Sponsors on Open Collective"></a>
-  <a href="https://invertase.link/discord"><img src="https://img.shields.io/discord/295953187817521152.svg?logo=discord&style=flat-square&colorA=7289da&label=discord" alt="Chat"></a>
-  <a href="https://twitter.com/rnfirebase"><img src="https://img.shields.io/twitter/follow/rnfirebase.svg?style=social&label=Follow" alt="Follow on Twitter"></a>
+  <a href="https://lerna.js.org/"><img src="https://img.shields.io/badge/maintained%20with-lerna-cc00ff.svg?style=flat-square" alt="Maintained with Lerna"></a>
+</p>
+
+<p align="center">
+  <a href="https://invertase.link/discord"><img src="https://img.shields.io/discord/295953187817521152.svg?style=flat-square&colorA=7289da&label=Chat on Discord" alt="Chat on Discord"></a>
+  <a href="https://twitter.com/rnfirebase"><img src="https://img.shields.io/twitter/follow/rnfirebase.svg?style=flat-square&colorA=1da1f2&colorB=&label=Follow on Twitter" alt="Follow on Twitter"></a>
 </p>
 
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