Add acknowledgements

app.py

@@ -1,13 +1,13 @@
 import os
-import polars as pl
 
 import gradio as gr
 import numpy as np
 import pandas as pd
 import plotly.graph_objs as go
+import polars as pl
 from datasets import concatenate_datasets, load_dataset
 from pymatgen.analysis.phase_diagram import PDPlotter, PhaseDiagram
-from pymatgen.core import Composition, Structure, Element
+from pymatgen.core import Composition, Element, Structure
 from pymatgen.core.composition import Composition
 from pymatgen.entries.computed_entries import (
     ComputedStructureEntry,
@@ -204,10 +204,12 @@ warning_message += " scheme will be standardized in a soon to be released update
 warning_message += " now please take caution when analyzing the results of this"
 warning_message += " application."
 
-
 message = '<div class="alert"><span class="closebtn" onclick="this.parentElement.style.display="none";">&times;</span>{}</div>Generate a phase diagram for a set of elements using LeMat-Bulk data.'.format(
     warning_message
 )
+message += (
+    "<br>Built with <a href='https://pymatgen.org/' target='_blank'>Pymatgen</a>.<br>"
+)
 
 # Create Gradio interface
 iface = gr.Interface(