Add proper readmes for ginkgo and gomega.

third_party/onsi/ginkgo/README.google

diff --git a/third_party/onsi/ginkgo/README.google b/third_party/onsi/ginkgo/README.google
new file mode 100644
index 0000000..abb8074
--- /dev/null
+++ b/third_party/onsi/ginkgo/README.google
@@ -0,0 +1,4 @@
+This is the "Gingko" test framework for Go, published under
+an MIT-like license.
+
+URL: https://github.com/onsi/ginkgo.git

third_party/onsi/gomega/README.google

diff --git a/third_party/onsi/gomega/README.google b/third_party/onsi/gomega/README.google
new file mode 100644
index 0000000..53dc6bd
--- /dev/null
+++ b/third_party/onsi/gomega/README.google
@@ -0,0 +1,4 @@
+This is the "Gomega" test assertion framework for Go, published under
+an MIT-like license.
+
+URL: https://github.com/onsi/gomega.git