Add Express-Gateway

library/express-gateway

@@ -0,0 +1,5 @@
+Maintainers: The Express-Gateway Team <[email protected]> (@express_gateway)
+GitRepo: https://github.com/ExpressGateway/express-gateway.git
+
+Tags: 1.x, 1.7.x, 1.7.3
+GitCommit: b1859d557491c0f6ddd07d8b8bb1c48bed5c57de