Merge pull request 'server' (#5) from zzc into main

Reviewed-on: #5

server.py

@@ -6,7 +6,7 @@ from pipeline import pdf2markdown_pipeline
 app = Flask(__name__)
 
 
-@app.route('/pdf-qa-server/pdf-to-md')
+@app.route('/pdf-qa-server/pdf-to-md', methods=['POST'])
 def pdf2markdown():
     data = request.json
     pdf_paths = data['pathList']