feat: 小红书笔记搜索，评论获取done

docs: update docs

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Update README.md

utils.py

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+import json
+import time
+import base64
+import random
+import hashlib
+from io import BytesIO
+from typing import Optional, Dict, List, Tuple
+
+from PIL import Image
+from playwright.async_api import Cookie
+from playwright.async_api import Page
+
+
+async def find_login_qrcode(page: Page, selector: str) -> str:
+    """find login qrcode image from target selector"""
+    try:
+        elements = await page.wait_for_selector(
+            selector=selector,
+        )
+        login_qrcode_img = await elements.get_property("src")
+        return str(login_qrcode_img)
+
+    except Exception as e:
+        print(e)
+        return ""
+
+
+def show_qrcode(qr_code: str):
+    """parse base64 encode qrcode image and show it"""
+    qr_code = qr_code.split(",")[1]
+    qr_code = base64.b64decode(qr_code)
+    image = Image.open(BytesIO(qr_code))
+    image.show()
+
+
+def get_user_agent() -> str:
+    ua_list = [
+        "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36",
+        "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.79 Safari/537.36",
+        "Mozilla/5.0 (Windows NT 10.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36",
+        "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36",
+        "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.53 Safari/537.36",
+        "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.84 Safari/537.36"
+    ]
+    return random.choice(ua_list)
+
+
+def convert_cookies(cookies: Optional[List[Cookie]]) -> Tuple[str, Dict]:
+    if not cookies:
+        return "", {}
+    cookies_str = ";".join([f"{cookie.get('name')}={cookie.get('value')}" for cookie in cookies])
+    cookie_dict = dict()
+    for cookie in cookies:
+        cookie_dict[cookie.get('name')] = cookie.get('value')
+    return cookies_str, cookie_dict