Merge pull request 'server' (#4) from zzc into main

Reviewed-on: #4

server.py

@@ -14,3 +14,7 @@ def pdf2markdown():
     for pdf_path in pdf_paths:
         process_status, pdf_id = pdf2markdown_pipeline(pdf_path)
         requests.post(callback_url, json={'pdfId': pdf_id, 'processStatus': process_status})
+
+
+if __name__ == '__main__':
+    app.run(host='0.0.0.0', port=8000)