feat!: using custom cache manager for caching

lib/cached_video_player_plus.dart

@@ -20,6 +20,7 @@ import 'package:get_storage/get_storage.dart';
 import 'package:video_player_platform_interface/video_player_platform_interface.dart';
 
 import 'src/closed_caption_file.dart';
+import 'src/video_cache_manager.dart';
 
 export 'package:video_player_platform_interface/video_player_platform_interface.dart'
     show DataSourceType, DurationRange, VideoFormat, VideoPlayerOptions;
@@ -432,7 +433,7 @@ class CachedVideoPlayerPlusController
     bool isCacheAvailable = false;
 
     if (dataSourceType == DataSourceType.network && _isCachingSupported) {
-      final cacheManager = DefaultCacheManager();
+      final cacheManager = VideoCacheManager();
       FileInfo? cachedFile = await cacheManager.getFileFromCache(dataSource);
 
       debugPrint('Cached video of [$dataSource] is: ${cachedFile?.file.path}');

lib/src/video_cache_manager.dart

@@ -0,0 +1,22 @@
+// Third Party Packages
+import 'package:flutter_cache_manager/flutter_cache_manager.dart';
+
+/// The [VideoCacheManager] is a specialized [CacheManager] for videos cached
+/// using the [cached_video_player_plus] package.
+///
+/// [cached_video_player_plus]: https://pub.dev/packages/cached_video_player_plus
+class VideoCacheManager extends CacheManager with ImageCacheManager {
+  /// The key used to store the [VideoCacheManager] in the [CacheManager].
+  static const key = 'libCachedVideoPlayerPlusData';
+
+  /// The singleton instance of the [VideoCacheManager].
+  static final VideoCacheManager _instance = VideoCacheManager._();
+
+  /// Returns the singleton instance of the [VideoCacheManager].
+  factory VideoCacheManager() {
+    return _instance;
+  }
+
+  /// Creates a new instance of the [VideoCacheManager].
+  VideoCacheManager._() : super(Config(key));
+}