Add documentation for info.resources in Featury::Info

**Changes:**
- Updated `README.md` to include details about the `info.resources` method.
- Highlighted its functionality to retrieve feature resources for the current class.

This improves documentation by ensuring users can easily understand and utilize the new `resources` method.

Author: afuno

README.md

@@ -169,6 +169,7 @@ info = User::OnboardingFeature.info
 
 ```ruby
 info.actions      # Feature actions (all, web) of the current class.
+info.resources    # Feature resources of the current class.
 info.features     # Feature flags of the current class.
 info.groups       # Feature flag groups of the current class.
 info.tree         # Tree of feature flags from the current class.