fix: generated payment link base url

packages/server/src/common/config/app.ts

@@ -0,0 +1,5 @@
+import { registerAs } from '@nestjs/config';
+
+export default registerAs('app', () => ({
+  baseUrl: process.env.BASE_URL,
+}));

packages/server/src/common/config/index.ts

@@ -1,3 +1,4 @@
+import app from './app';
 import systemDatabase from './system-database';
 import tenantDatabase from './tenant-database';
 import signup from './signup';
@@ -18,6 +19,7 @@ import throttle from './throttle';
 import cloud from './cloud';
 
 export const config = [
+  app,
   systemDatabase,
   cloud,
   tenantDatabase,