docs: mention new architecture

Author: okwasniewski

README.md

@@ -80,6 +80,26 @@ ReactNativeBrownfield.popToNative(true);
 
 > NOTE: Those methods works only with native components provided by this library.
 
+## Enabling New Architecture
+
+### Android
+Add the following to your `android/gradle.properties`:
+
+```
+# Enable new architecture
+newArchEnabled=true
+```
+
+### iOS
+Install cocoapods with the flag:
+
+```
+RCT_NEW_ARCH_ENABLED=1 pod install
+```
+
+> [!NOTE]
+> New Architecture is enabled by default from React Native 0.76
+
 ## Made with ❤️ at Callstack
 
 React Native Brownfield is an open source project and will always remain free to use. If you think it's cool, please star it 🌟. [Callstack](https://callstack.com) is a group of React and React Native geeks, contact us at [hello@callstack.com](mailto:hello@callstack.com) if you need any help with these or just want to say hi!