Setup api and express

api/src/index.ts

@@ -0,0 +1,12 @@
+import express from 'express';
+
+const app = express();
+const port = 3000;
+ 
+app.get('/', (req, res) => {
+  res.send('Hello World! 123')
+})
+
+app.listen(port, () => {
+  console.log(`Example app listening on port ${port}`)
+})