Update app.py

app.py

@@ -227,7 +227,10 @@ with gr.Blocks(css="""
         margin: auto;
     }
 """) as demo:
-    gr.Markdown("## Image Metadata Editor")
+    gr.Markdown("""
+    ## Image Metadata Editor
+    [View the source code on GitHub](https://github.com/UmutHasanoglu/image-metadata-editor)
+    """)
     with gr.Column():
         file_input = gr.File(label="Select Images", file_count="multiple", type="filepath")
         extract_button = gr.Button("Extract Metadata")