chore: add Tracking to list of features in README

Author: danjuv

README.md

@@ -107,6 +107,7 @@ print("Value: " + str(flag_value))
 | ✅      | [Logging](#logging)                                                 | Integrate with popular logging packages.                                                                                              |
 | ✅      | [Domains](#domains)                                                 | Logically bind clients with providers.                                                                                                |
 | ✅      | [Eventing](#eventing)                                               | React to state changes in the provider or flag management system.                                                                     |
+| ✅      | [Tracking](#tracking)                                               | Associate user actions with feature flag evaluations.                                                                                |
 | ✅      | [Shutdown](#shutdown)                                               | Gracefully clean up a provider during application shutdown.                                                                           |
 | ✅      | [Transaction Context Propagation](#transaction-context-propagation) | Set a specific [evaluation context](https://openfeature.dev/docs/reference/concepts/evaluation-context) for a transaction (e.g. an HTTP request or a thread) |
 | ✅      | [Extending](#extending)                                             | Extend OpenFeature with custom providers and hooks.                                                                                   |