Add authors and contributors files.

Change-Id: I192d8fe104c3734c9c37108312f1dc93470d8d9e
Reviewed-on: https://swiftshader-review.googlesource.com/5342
Reviewed-by: Shannon Woods <shannonwoods@google.com>
Tested-by: Nicolas Capens <capn@google.com>
diff --git a/CONTRIBUTORS.txt b/CONTRIBUTORS.txt
new file mode 100644
index 0000000..c076f05
--- /dev/null
+++ b/CONTRIBUTORS.txt
@@ -0,0 +1,25 @@
+# People who have agreed to one of the CLAs and can contribute patches.

+# The AUTHORS file lists the copyright holders; this file

+# lists people.  For example, Google employees are listed here

+# but not in AUTHORS, because Google holds the copyright.

+#

+# https://developers.google.com/open-source/cla/individual

+# https://developers.google.com/open-source/cla/corporate

+#

+# Names should be added to this file as:

+#     Name <email address>

+

+Google Inc.

+ Nicolas Capens <capn@google.com>

+ Alexis Hétu <sugoi@google.com>

+ Shannon Woods <shannonwoods@google.com>

+ Corentin Wallez <cwallez@google.com>

+ Greg Hartman <ghartman@google.com>

+ Ping-Hao Wu <pinghao@google.com>

+ Maxime Grégoire <mgregoire@google.com>

+ Veranika Liaukevich <veranika@google.com>

+ John Bauman <jbauman@google.com>

+ Keun Soo Yim <yim@google.com>

+ John Sheu <sheu@google.com>

+ Philippe Hamel <hamelphi@google.com>

+ Daniel Toyama <kenjitoyama@google.com>
\ No newline at end of file