feat(fortawesome): Add free-brands-svg-icons repo to fortawesome (#42)

Causes type errors when not updated together (see https://travis-ci.org/bkimminich/juice-shop/jobs/541433540)

Author: bkimminich

index.js

@@ -559,6 +559,7 @@ const monorepoDefinitions = {
     '@fortawesome/fontawesome-svg-core',
     '@fortawesome/free-regular-svg-icons',
     '@fortawesome/free-solid-svg-icons',
+    '@fortawesome/free-brands-svg-icons',
     '@fortawesome/react-fontawesome'
   ],
   'gatsby': [