feat: Update documentation for force option in Vercel AI integration (#14061)

Documents getsentry/sentry-javascript#16551
released with getsentry/sentry-javascript#16551

Co-authored-by: Cursor Agent <cursoragent@cursor.com>

Author: AbhiPrasad

docs/platforms/javascript/common/configuration/integrations/vercelai.mdx

@@ -61,6 +61,22 @@ const result = await generateText({
 
 ## Options
 
+### `force`
+
+Requires SDK version `9.29.0` or higher.
+
+_Type: `boolean`_
+
+Forces the integration to be active, even when the `ai` module is not detected or available. This is useful when you want to ensure the integration is always enabled regardless of module detection.
+
+Defaults to `false`.
+
+```javascript
+Sentry.init({
+  integrations: [Sentry.vercelAIIntegration({ force: true })],
+});
+```
+
 ### `recordInputs`
 
 Requires SDK version `9.27.0` or higher.