Fix(ios): restore caching feature (#3341)

* chore: fix build issue

* fix: try to fix save typings

* chore: fix podspec

* fix: update integration guide for ios Caching

* fix: update sample to test the save function

---------

Co-authored-by: olivier <olivier.bouillet@ifeelsmart.com>

examples/basic/ios/Podfile

@@ -28,7 +28,9 @@ end
 target 'videoplayer' do
   config = use_native_modules!
 
+  use_frameworks! :linkage => :static
   # $RNVideoUseGoogleIMA = true
+  $RNVideoUseVideoCaching = true
 
   # Flags change depending on the env values.
   flags = get_default_flags()
@@ -42,7 +44,7 @@ target 'videoplayer' do
     #
     # Note that if you have use_frameworks! enabled, Flipper will not work and
     # you should disable the next line.
-    :flipper_configuration => flipper_config,
+    # :flipper_configuration => flipper_config,
     # An absolute path to your application root.
     :app_path => "#{Pod::Config.instance.installation_root}/.."
   )