stats: Add total row to get_stats_type output

telegram_stats_bot/stats.py

@@ -706,6 +706,9 @@ class StatsRunner(object):
             df_u.columns = ['type', 'User Count', 'User Percent']
 
             df = df.merge(df_u, on="type", how="outer")
+
+        a = list(zip(df.columns.values, ["Total"] + df.iloc[:, 1:].sum().to_list()))
+        df = df.append({key: value for key, value in a}, ignore_index=True)
         text = df.to_string(index=False, header=True, float_format=lambda x: f"{x:.1f}")
 
         if user: