chore(sample): fix run of expo sample (#4284)

* chore: fix expo sample tun
* chore: update ios sample files

examples/expo/android/app/src/main/java/com/anonymous/ExpoExample/MainApplication.kt

@@ -2,6 +2,7 @@ package com.anonymous.ExpoExample
 
 import android.app.Application
 import android.content.res.Configuration
+import com.brentvatne.react.ReactVideoPackage
 
 import com.facebook.react.PackageList
 import com.facebook.react.ReactApplication
@@ -22,8 +23,9 @@ class MainApplication : Application(), ReactApplication {
         object : DefaultReactNativeHost(this) {
           override fun getPackages(): List<ReactPackage> {
             // Packages that cannot be autolinked yet can be added manually here, for example:
-            // packages.add(new MyReactNativePackage());
-            return PackageList(this).packages
+            var packages = PackageList(this).packages
+            packages.add(ReactVideoPackage());
+            return packages
           }
 
           override fun getJSMainModuleName(): String = ".expo/.virtual-metro-entry"