change license, restructure

src/backend/router.ts

@@ -0,0 +1,17 @@
+import { Request, Response, Router } from 'express';
+
+import regionController from './controllers/region.controller';
+import wxController from './controllers/wx.controller';
+
+const router = Router();
+
+router.get('/regions', regionController.getRegions);
+router.get('/regions/:region', regionController.getRegion);
+router.get('/regions/:region/wx', wxController.getRegionWx);
+
+router.use((req: Request, res: Response) => {
+  // 404
+  res.status(404).json({ msg: 'the requested resource could not be found' });
+});
+
+export default { router };