Document Bun supports Import Attributes and JSON modules syntax (#13074)

docs/guides/runtime/import-json.md

@@ -27,6 +27,16 @@ data.version; // => "1.0.0"
 data.author.name; // => "John Dough"
 ```
 
+Bun also supports [Import Attributes](https://github.com/tc39/proposal-import-attributes/) and [JSON modules](https://github.com/tc39/proposal-json-modules) syntax.
+
+```ts
+import data from "./package.json" with { type: "json" };
+
+data.name; // => "bun"
+data.version; // => "1.0.0"
+data.author.name; // => "John Dough"
+```
+
 ---
 
 See [Docs > Runtime > TypeScript](/docs/runtime/typescript) for more information on using TypeScript with Bun.