chore: rework examples (#4225)

* remove unused examples

* init bare example with test app

* add react-native-video

* add test app suport in expo plugin

* expo plugin: skip keys that are already in pod file

* fix podfile

* add src files

* fix metro config

* finalize react native test app configuration

* init expo example

* remove old examples

* add guide for example

* Add link to examples apps in docs

* adopt bare example to CI tests

* update CI workflows

* CI build lib after node_modules install

* fix examples readme

* fix iOS CI

* Add Example for DRM

* Update examples/README.md

* fix links

* update examples README

* sync example code

* update README

examples/expo/android/react-settings-plugin/build.gradle.kts

@@ -0,0 +1,19 @@
+import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
+
+plugins {
+    kotlin("jvm") version "1.9.24"
+    id("java-gradle-plugin")
+}
+
+repositories {
+    mavenCentral()
+}
+
+gradlePlugin {
+    plugins {
+        create("reactSettingsPlugin") {
+            id = "com.facebook.react.settings"
+            implementationClass = "expo.plugins.ReactSettingsPlugin"
+        }
+    }
+}

examples/expo/android/react-settings-plugin/src/main/kotlin/expo/plugins/ReactSettingsPlugin.kt

@@ -0,0 +1,10 @@
+package expo.plugins
+
+import org.gradle.api.Plugin
+import org.gradle.api.initialization.Settings
+
+class ReactSettingsPlugin : Plugin<Settings> {
+  override fun apply(settings: Settings) {
+    // Do nothing, just register the plugin.
+  }
+}