Update app.py: Update title to "TokenViz: AutoTokenizer Visualization Tool"

app.py

@@ -49,7 +49,7 @@ def main():
         initial_sidebar_state="auto",
     )
 
-    st.title("tokenizer visualizer")
+    st.title("TokenViz: AutoTokenizer Visualization Tool")
     st.text_input(
         "AutoTokenizer model name", key="tokenizer_name", value=DEFAULT_TOKENIZER_NAME
     )