message: Add ZSTD copyright owners to R Description
diff: @@ -25,6 +25,7 @@ Authors@R:
  person("Tenacious Software LLC", role = "cph"),
  person("The RE2 Authors", role = "cph"),
  person("Google Inc.", role = "cph"),
  + person("Facebook Inc.", role = "cph"),
  person("Steven G. Johnson", role = "cph"),
  person("Jiahao Chen", role = "cph"),
  person("Tony Kelman", role = "cph"),
  