ref(flags): add link to openfeature web SDK docs (#12034)

Author: aliu39

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

@@ -58,7 +58,7 @@ const client = OpenFeature.getClient();
 client.addHooks(new Sentry.OpenFeatureIntegrationHook());
 ```
 
-Learn more about OpenFeature providers [here](https://openfeature.dev/docs/reference/concepts/provider).
+Learn more about OpenFeature [providers](https://openfeature.dev/docs/reference/concepts/provider) and the [web SDK](https://openfeature.dev/docs/reference/technologies/client/web/).
 
 ## Verify