Fixing TypeScriptExample

Author: Oxyjun

src/content/docs/hyperdrive/get-started.mdx

@@ -245,7 +245,8 @@ The `index.ts` file is where you configure your Worker's interactions with Hyper
 
 Populate your `index.ts` file with the following code:
 
-```typescript
+<TypeScriptExample>
+```ts
 // pg 8.13.0 or later is recommended
 import { Client } from "pg";