add app.py initial text description

intent to use apache-licensed implementation of CLIP4STR from https://github.com/VamosC/CLIP4STR/blob/main/read.py

app.py

@@ -61,6 +61,12 @@ with gr.Blocks(css=css) as demo:
         gr.Markdown(f"""
         # Text-to-Image Gradio Template
         Currently running on {power_device}.
+
+        2024-05-04: first huggingface Space, copying gradio
+        text-to-image template and then incorporating implementation of paper
+        [`CLIP4STR: A Simple Baseline for Scene Text Recognition with Pre-trained Vision-Language Model (2023) [pdf]`](https://arxiv.org/pdf/2305.14014v3)
+        
+        from source code: https://github.com/VamosC/CLIP4STR/blob/main/read.py
         """)
         
         with gr.Row():