TimelinePost constructor 
    
      const
      TimelinePost({ - required String id, 
- required String creatorId, 
- required String title, 
- required String content, 
- required int likes, 
- required int reaction, 
- required DateTime createdAt, 
- required bool reactionEnabled, 
- String? category, 
- TimelinePosterUserModel? creator, 
- List<String>? likedBy, 
- List<TimelinePostReaction>? reactions, 
- String? imageUrl, 
- Uint8List? image, 
- Map<String, dynamic> data = const {}, 
})Implementation
  const TimelinePost({
  required this.id,
  required this.creatorId,
  required this.title,
  required this.content,
  required this.likes,
  required this.reaction,
  required this.createdAt,
  required this.reactionEnabled,
  this.category,
  this.creator,
  this.likedBy,
  this.reactions,
  this.imageUrl,
  this.image,
  this.data = const {},
});