Update app.py

app.py

@@ -10,6 +10,13 @@ from transformers import pipeline
 
 st.set_page_config(page_title = "Vietnamese Legal Question Answering System", page_icon= "🐧", layout="centered", initial_sidebar_state="collapsed")
 
+st.markdown(
+    """
+    <h1 style="text-align: center;">Vietnamese Legal Question Answering System</h1>
+    """, 
+    unsafe_allow_html=True
+)
+
 with open('articles.pkl', 'rb') as file:
     articles = pickle.load(file)