chore: star prompt (#2955)

Shows a prompt to star Medusa after killing the develop server the first time:
![CleanShot 2023-01-06 at 2 30 19](https://user-images.githubusercontent.com/7554214/211022169-8a0d753e-1628-485e-9037-0e817adf5d3f.png)

The prompt will not reappear on subsequent kills.

packages/medusa/src/commands/develop.js

@@ -1,16 +1,44 @@
+import { EOL } from "os"
+import boxen from "boxen"
 import path from "path"
 import { execSync } from "child_process"
 import spawn from "cross-spawn"
 import chokidar from "chokidar"
+import Store from "medusa-telemetry/dist/store"
 
 import Logger from "../loaders/logger"
 
+const defaultConfig = {
+  padding: 5,
+  borderColor: `blue`,
+  borderStyle: `double`,
+}
+
 export default async function ({ port, directory }) {
   const args = process.argv
   args.shift()
   args.shift()
   args.shift()
 
+  process.on("SIGINT", () => {
+    const configStore = new Store()
+    const hasPrompted = configStore.getConfig("star.prompted") ?? false
+    if (!hasPrompted) {
+      const defaultMessage =
+        `✨ Thanks for using Medusa. ✨${EOL}${EOL}` +
+        `If you liked it, please consider starring us on GitHub${EOL}` +
+        `https://medusajs.com/star${EOL}` +
+        `${EOL}` +
+        `Note: you will not see this message again.`
+
+      console.log()
+      console.log(boxen(defaultMessage, defaultConfig))
+
+      configStore.setConfig("star.prompted", true)
+    }
+    process.exit(0)
+  })
+
   const babelPath = path.join(directory, "node_modules", ".bin", "babel")
 
   execSync(`"${babelPath}" src -d dist`, {