Merge branch 'master' of https://github.com/reactjs/reactjs.org into sync-87dcdbed

Author: reactjs-translation-bot

content/authors.yml

@@ -61,6 +61,9 @@ nhunzaker:
 petehunt:
   name: Pete Hunt
   url: https://twitter.com/floydophone
+rachelnabors:
+  name: Rachel Nabors
+  url: https://twitter.com/rachelnabors
 schrockn:
   name: Nick Schrock
   url: https://twitter.com/schrockn
@@ -93,4 +96,4 @@ zpao:
   url: https://twitter.com/zpao
 tomocchino:
   name: Tom Occhino
-  url: https://twitter.com/tomocchino
+  url: https://twitter.com/tomocchino