docs: add async/await timeout handling example (#7250)

Co-authored-by: Jay <jasonsaayman@gmail.com>

README.md

@@ -65,6 +65,7 @@
   - [Interceptors](#interceptors)
     - [Multiple Interceptors](#multiple-interceptors)
   - [Handling Errors](#handling-errors)
+  - [Handling Timeouts](#handling-timeouts)
   - [Cancellation](#cancellation)
     - [AbortController](#abortcontroller)
     - [CancelToken 👎](#canceltoken-deprecated)
@@ -921,6 +922,27 @@ axios.get('/user/12345')
   });
 ```
 
+## Handling Timeouts
+
+```js
+async function fetchWithTimeout() {
+  try {
+    const response = await axios.get('https://example.com/data', {
+      timeout: 5000 // 5 seconds
+    });
+
+    console.log('Response:', response.data);
+
+  } catch (error) {
+    if (axios.isAxiosError(error) && error.code === 'ECONNABORTED') {
+      console.error('❌ Request timed out!');
+    } else {
+      console.error('❌ Error:', error.message);
+    }
+  }
+}
+```
+
 ## Cancellation
 
 ### AbortController