chore: move sample to expo (#3880)

* perf: ensure we do not provide callback to native if no callback provided from app

* chore: rework bufferConfig to make it more generic and reduce ReactExoplayerView code size

* chore: improve issue template

* fix(android): avoid video view flickering at playback startup

* fix: ensure player doesn't start when view is unmounted

* chore: move basic sample to expo

* Update examples/basic/package.json

Co-authored-by: Krzysztof Moch <krzysmoch.programs@gmail.com>

* chore: use last expo version

* chore: fix podfile

---------

Co-authored-by: Krzysztof Moch <krzysmoch.programs@gmail.com>

examples/basic/android/app/build.gradle

@@ -49,6 +49,11 @@ react {
     //
     //   The list of flags to pass to the Hermes compiler. By default is "-O", "-output-source-map"
     // hermesFlags = ["-O", "-output-source-map"]
+    //
+    // Added by install-expo-modules
+    entryFile = file(["node", "-e", "require('expo/scripts/resolveAppEntry')", rootDir.getAbsoluteFile().getParentFile().getAbsolutePath(), "android", "absolute"].execute(null, rootDir).text.trim())
+    cliFile = new File(["node", "--print", "require.resolve('@expo/cli')"].execute(null, rootDir).text.trim())
+    bundleCommand = "export:embed"
 }
 
 /**