Typescript migration

* app.js
* main.js
* router.js

server/@types/http-auth/index.d.ts

@@ -0,0 +1,15 @@
+declare module "http-auth" {
+    import {RequestHandler} from "express"
+
+    class Auth {}
+
+    class BasicAuth extends Auth {}
+    class BasicAuthOptions {}
+
+    type BasicAuthChecker =
+        (username: string, password: string, callback: BasicAuthCheckerCallback) => void
+    type BasicAuthCheckerCallback = (result: boolean | Error, customUser?: string) => void
+
+    function basic(options: BasicAuthOptions, checker: BasicAuthChecker): BasicAuth
+    function connect(auth: Auth): RequestHandler
+}