docs(README): add 'forceStaticLinking' example to Expo install section

Author: mikehardy

docs/index.mdx

@@ -46,7 +46,12 @@ To enable Firebase on the native Android and iOS platforms, create and download
 
 For iOS only, since `firebase-ios-sdk` requires `use_frameworks` then you want to configure [`expo-build-properties`](https://docs.expo.dev/versions/latest/sdk/build-properties/#pluginconfigtypeios) `app.json` by adding `"useFrameworks": "static"`. See the example configuration below.
 
-The following is an example `app.json` to enable the React Native Firebase modules App, Auth and Crashlytics, that specifies the Service Account files for both mobile platforms, and that sets the application ID to the example value of `com.mycorp.myapp` (change to match your own):
+The following is an example `app.json` to enable the React Native Firebase modules App, Auth and Crashlytics, that specifies the Service Account files for both mobile platforms, and that sets the application ID to the example value of `com.mycorp.myapp` (change to match your own).
+
+You will need to add a plugin entry for each react-native-firebase module you use that defines an Expo config plugin - these are documented on the specific module install pages.
+
+You must add every single react-native-firebase module you use to the `forceStaticLinking` - this allows the iOS build to work with the new react-native
+"prebuilt core" system in react-native 0.84+ and Expo 54+.
 
 ```json
 {
@@ -67,7 +72,19 @@ The following is an example `app.json` to enable the React Native Firebase modul
         "expo-build-properties",
         {
           "ios": {
-            "useFrameworks": "static"
+            "useFrameworks": "static",
+            "forceStaticLinking": [
+              "RNFBAnalytics",
+              "RNFBApp",
+              "RNFBAppCheck",
+              "RNFBAuth",
+              "RNFBCrashlytics",
+              "RNFBFirestore",
+              "RNFBMessaging",
+              "RNFBRemoteConfig",
+              "RNFBStorage",
+              "RNFBSomeOtherRNFBModuleYouAreUsing"
+            ]
           }
         }
       ]