✨ Show post visibility

lib/models/post.dart

@@ -24,6 +24,7 @@ class Post {
   String? alias;
   String? areaAlias;
   dynamic body;
+  int visibility;
   List<Tag>? tags;
   List<Category>? categories;
   List<Post>? replies;
@@ -55,6 +56,7 @@ class Post {
     required this.areaAlias,
     required this.type,
     required this.body,
+    required this.visibility,
     required this.tags,
     required this.categories,
     required this.replies,

lib/models/post.g.dart

@@ -20,6 +20,7 @@ Post _$PostFromJson(Map<String, dynamic> json) => Post(
       areaAlias: json['area_alias'] as String?,
       type: json['type'] as String,
       body: json['body'],
+      visibility: (json['visibility'] as num).toInt(),
       tags: (json['tags'] as List<dynamic>?)
           ?.map((e) => Tag.fromJson(e as Map<String, dynamic>))
           .toList(),
@@ -67,6 +68,7 @@ Map<String, dynamic> _$PostToJson(Post instance) => <String, dynamic>{
       'alias': instance.alias,
       'area_alias': instance.areaAlias,
       'body': instance.body,
+      'visibility': instance.visibility,
       'tags': instance.tags?.map((e) => e.toJson()).toList(),
       'categories': instance.categories?.map((e) => e.toJson()).toList(),
       'replies': instance.replies?.map((e) => e.toJson()).toList(),