Add UTM parameters

app.py

@@ -338,7 +338,8 @@ gradio-app h2, .gradio-app h2 {
 with gr.Blocks(css=CSS) as demo:
     gr.Markdown("# DocQuery for Invoices")
     gr.Markdown(
-        "DocQuery (created by [Impira](https://impira.com)) uses LayoutLMv1 fine-tuned on an invoice dataset"
+        "DocQuery (created by [Impira](https://impira.com?utm_source=huggingface&utm_medium=referral&utm_campaign=invoices_space))"
+        " uses LayoutLMv1 fine-tuned on an invoice dataset"
         " as well as DocVQA and SQuAD, which boot its general comprehension skills. The model is an enhanced"
         " QA architecture that supports selecting blocks of text which may be non-consecutive, which is a major"
         " issue when dealing with invoice documents (e.g. addresses)."