feat(lib): override toString for Video object

Author: ThibaultBee

lib/src/types/video.dart

@@ -72,4 +72,10 @@ class Video {
 
   /// Creates a json map from a [Video].
   Map<String, dynamic> toJson() => _$VideoToJson(this);
+
+  /// Returns a string representation of this object.
+  @override
+  String toString() {
+    return 'Video{${toJson().toString()}';
+  }
 }

lib/src/types/video_assets.dart

@@ -29,4 +29,10 @@ class VideoAssets {
 
   /// Creates a json map from a [VideoAssets].
   Map<String, dynamic> toJson() => _$VideoAssetsToJson(this);
+
+  /// Returns a string representation of this object.
+  @override
+  String toString() {
+    return 'VideoAssets{${toJson().toString()}';
+  }
 }

lib/src/types/video_source.dart

@@ -22,4 +22,10 @@ class VideoSource {
 
   /// Creates a json map from a [VideoSource].
   Map<String, dynamic> toJson() => _$VideoSourceToJson(this);
+
+  /// Returns a string representation of this object.
+  @override
+  String toString() {
+    return 'VideoSource{${toJson().toString()}';
+  }
 }