feat: add models part 3

itd/models/comment.py

@@ -2,12 +2,16 @@ from pydantic import Field
 
 from itd.models._text import TextObject
 from itd.models.user import UserPost
+from itd.models.file import Attach
 
 
 class Comment(TextObject):
+    author: UserPost
+
     likes_count: int = Field(0, alias='likesCount')
     replies_count: int = Field(0, alias='repliesCount')
     is_liked: bool = Field(False, alias='isLiked')
 
+    attachments: list[Attach] = []
     replies: list['Comment'] = []
     reply_to: UserPost | None = None # author of replied comment, if this comment is reply