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/ios/Podfile

@@ -1,3 +1,4 @@
+require File.join(File.dirname(`node --print "require.resolve('expo/package.json')"`), "scripts/autolinking")
 # Resolve react_native_pods.rb with node to allow for hoisting
 require Pod::Executable.execute_command('node', ['-p',
   'require.resolve(
@@ -16,6 +17,14 @@ if linkage != nil
 end
 
 target 'videoplayer' do
+  use_expo_modules!
+  post_integrate do |installer|
+    begin
+      expo_patch_react_imports!(installer)
+    rescue => e
+      Pod::UI.warn e
+    end
+  end
   config = use_native_modules!
 
   use_frameworks! :linkage => :static