feat: 小红书笔记搜索，评论获取done

docs: update docs

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Update README.md

main.py

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+import sys
+import asyncio
+import argparse
+
+from media_platform.douyin import DouYinCrawler
+from media_platform.xhs import XiaoHongShuCrawler
+
+
+class CrawlerFactory:
+    @staticmethod
+    def create_crawler(platform: str):
+        if platform == "xhs":
+            return XiaoHongShuCrawler()
+        elif platform == "dy":
+            return DouYinCrawler()
+        else:
+            raise ValueError("Invalid Media Platform Currently only supported xhs or douyin ...")
+
+
+async def main():
+    # define command line params ...
+    parser = argparse.ArgumentParser(description='Media crawler program.')
+    parser.add_argument('--platform', type=str, help='Media platform select (xhs|dy)...', default="xhs")
+    parser.add_argument('--keywords', type=str, help='Search note/page keywords...', default="健身")
+    args = parser.parse_args()
+    crawler = CrawlerFactory().create_crawler(platform=args.platform)
+    crawler.init_config(
+        keywords=args.keywords,
+    )
+    await crawler.start()
+
+
+if __name__ == '__main__':
+    try:
+        asyncio.run(main())
+    except KeyboardInterrupt:
+        sys.exit()