Remove python, replace with ts

src/app.ts

@@ -0,0 +1,11 @@
+import {createServer} from './utils/server'
+
+createServer()
+  .then(server => {
+    server.listen(3000, () => {
+      console.info(`Listening on http://localhost:3000`)
+    })
+  })
+  .catch(err => {
+    console.error(`Error: ${err}`)
+  })

src/utils/server.ts

@@ -0,0 +1,10 @@
+import express from 'express'
+import {Express} from 'express-serve-static-core'
+
+export async function createServer(): Promise<Express> {
+  const server = express()
+  server.get('/', (_, res) => {
+    res.send('Hello world!!!')
+  })
+  return server
+}