Updated readme with details on performance sampling

Author: indykoning

README.md

@@ -18,7 +18,12 @@ Depending on the log level configured in the backend of magento 2, notifications
 - Show detailed context on thrown exceptions (Like Magento user/api consumer id)
 - Easily control which events get sent to Sentry
 - Backend and frontend error reporting
-- Performance sampling
+- Performance sampling ([tracing](https://docs.sentry.io/platforms/php/tracing/) & [profiling](https://docs.sentry.io/platforms/php/profiling/))
+    - Database Queries (Detect N+1 queries)
+    - Events
+    - Template rendering
+    - [Cache monitoring](https://docs.sentry.io/platforms/php/tracing/instrumentation/caches-module/)
+    - [Queue monitoring](https://docs.sentry.io/platforms/php/tracing/instrumentation/queues-module/)
 - Cron Monitoring
 - Session replay
 - Logrocket support