refactor: move api calls to routes folder; feat: add update_banner user-friendly method; fix: change file data type

itd/routes/comments.py

@@ -0,0 +1,19 @@
+from itd.request import fetch
+
+def add_comment(token: str, post_id: str, content: str, reply_comment_id: str | None = None):
+    data = {'content': content}
+    if reply_comment_id:
+        data['replyTo'] = str(reply_comment_id)
+    return fetch(token, 'post', f'posts/{post_id}/comments', data)
+
+def get_comments(token: str, post_id: str, limit: int = 20, cursor: int = 0, sort: str = 'popular'):
+    return fetch(token, 'get', f'posts/{post_id}/comments', {'limit': limit, 'sort': sort, 'cursor': cursor})
+
+def like_comment(token: str, comment_id: str):
+    return fetch(token, 'post', f'comments/{comment_id}/like')
+
+def unlike_comment(token: str, comment_id: str):
+    return fetch(token, 'delete', f'comments/{comment_id}/like')
+
+def delete_comment(token: str, comment_id: str):
+    return fetch(token, 'delete', f'comments/{comment_id}')