chore(examples): move the WorkOS content to src (#3972)

Author: SeanCassiere

examples/react/start-workos/app.config.ts

@@ -2,6 +2,9 @@ import { defineConfig } from '@tanstack/react-start/config';
 import tsConfigPaths from 'vite-tsconfig-paths';
 
 export default defineConfig({
+  tsr: {
+    appDirectory: 'src',
+  },
   vite: {
     plugins: [
       tsConfigPaths({