Add react-pdf to open source adoption list

Summary: Pull Request resolved: https://github.com/facebook/yoga/pull/857

Reviewed By: SidharthGuglani

Differential Revision: D13915577

Pulled By: davidaurelio

fbshipit-source-id: 55a9cbe96712c4fe7475665c907f650b4b2a8fb3

website/src/pages/index.js

@@ -18,6 +18,7 @@ import './index.css';
 import ReactNativeLogo from './logos/reactnative.png';
 import LithoLogo from './logos/litho.png';
 import ComponentKitLogo from './logos/componentkit.png';
+import ReactPDFLogo from './logos/reactpdf.png';
 import Link from 'gatsby-link';
 import Footer from '../components/Footer';
 
@@ -143,6 +144,13 @@ const AboutSectionOne = () => (
         <img src={ReactNativeLogo} />
         <h3>React Native</h3>
       </a>
+      <a
+        href="https://react-pdf.org/"
+        target="_blank"
+        className="logo">
+        <img src={ReactPDFLogo} />
+        <h3>React-PDF</h3>
+      </a>
     </div>
   </Padded>
 );