replace python django backend with nodejs backend

backend/src/routes.ts

@@ -0,0 +1,10 @@
+import {Express, static as _static} from 'express';
+import type {ConfigType} from './config/confighelper';
+import catchAllRedirect from './middleware/CatchAllRedirect';
+import {RegisterRoutes} from './tsoa.gen/routes';
+
+export function registerRoutes(express: Express, config: ConfigType) {
+  RegisterRoutes(express);
+  express.use(_static('_client')); //for production
+  express.use(catchAllRedirect(express, '/'));
+}