server-ts: Convert routes/api/app_info

src/routes/api/app_info.ts

@@ -1,11 +1,11 @@
 "use strict";
 
-const appInfo = require('../../services/app_info');
+import appInfo = require('../../services/app_info');
 
 function getAppInfo() {
     return appInfo;
 }
 
-module.exports = {
+export = {
     getAppInfo
 };