Update app.py

app.py

@@ -4,6 +4,7 @@ import streamlit as st
 import datetime
 import plotly.figure_factory as ff
 import pandas as pd
+import math
 
 st.set_page_config(layout="wide")
 
@@ -52,6 +53,15 @@ fig.update_xaxes(ticks= "outside",
 periods = pd.date_range(df[0]["Start"],df[0]["Finish"], freq='1D')
 center_pos = math.floor(len(periods) / 2)
 x_dates = periods[center_pos]
+
+fig.add_annotation({
+            "x": x_dates,
+            "y": df[0]["Task"],
+            "text": string1,
+            "align": "center",
+            "showarrow":False,
+        })
+
 fig.update_layout(xaxis_range=[datetime.datetime(2022, 12, 30),
                                datetime.datetime(2023, 4, 2)])
 fig.update_yaxes(automargin=True)