docs: re-apply many recent changes that somehow aren't present (#24719)

lots of recent changes aren't present, so this reapplies them

docs/quickstart.mdx

@@ -219,16 +219,21 @@ Build a minimal HTTP server with `Bun.serve`, run it locally, then evolve it by
 
 Bun can also execute `"scripts"` from your `package.json`. Add the following script:
 
+{/* prettier-ignore */}
 ```json package.json icon="file-code"
 {
   "name": "quickstart",
   "module": "index.ts",
   "type": "module",
-  "scripts": {
-    "start": "bun run index.ts"
-  },
+  "private": true,
+  "scripts": { // [!code ++]
+    "start": "bun run index.ts" // [!code ++]
+  }, // [!code ++]
   "devDependencies": {
     "@types/bun": "latest"
+  },
+  "peerDependencies": {
+    "typescript": "^5"
   }
 }
 ```