added express typings

ts/typings/express/express.d.ts

@@ -0,0 +1,54 @@
+// Type definitions for Express 4.x
+// Project: http://expressjs.com
+// Definitions by: Boris Yankov <https://github.com/borisyankov/>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+/* =================== USAGE ===================
+
+    import * as express from "express";
+    var app = express();
+
+ =============================================== */
+
+/// <reference path="../serve-static/serve-static.d.ts" />
+/// <reference path="../express-serve-static-core/express-serve-static-core.d.ts" />
+
+declare module "express" {
+    import * as serveStatic from "serve-static";
+    import * as core from "express-serve-static-core";
+
+    /**
+     * Creates an Express application. The express() function is a top-level function exported by the express module.
+     */
+    function e(): core.Express;
+
+    namespace e {
+
+        /**
+         * This is the only built-in middleware function in Express. It serves static files and is based on serve-static.
+         */
+        var static: typeof serveStatic;
+
+        export function Router(options?: any): core.Router;
+
+        interface Application extends core.Application { }
+        interface CookieOptions extends core.CookieOptions { }
+        interface Errback extends core.Errback { }
+        interface ErrorRequestHandler extends core.ErrorRequestHandler { }
+        interface Express extends core.Express { }
+        interface Handler extends core.Handler { }
+        interface IRoute extends core.IRoute { }
+        interface IRouter<T> extends core.IRouter<T> { }
+        interface IRouterMatcher<T> extends core.IRouterMatcher<T> { }
+        interface MediaType extends core.MediaType { }
+        interface NextFunction extends core.NextFunction { }
+        interface Request extends core.Request { }
+        interface RequestHandler extends core.RequestHandler { }
+        interface RequestParamHandler extends core.RequestParamHandler { }
+        export interface Response extends core.Response { }
+        interface Router extends core.Router { }
+        interface Send extends core.Send { }
+    }
+
+    export = e;
+}