add ks-iam and ks-apigateway

Signed-off-by: hongming <talonwan@yunify.com>

vendor/github.com/go-redis/redis/internal/util/safe.go

@@ -0,0 +1,11 @@
+// +build appengine
+
+package util
+
+func BytesToString(b []byte) string {
+	return string(b)
+}
+
+func StringToBytes(s string) []byte {
+	return []byte(s)
+}