added notes on input

app.py

@@ -126,6 +126,7 @@ def create_interface():
                     info="Select the target protein from the dropdown menu.",
                     value="ada"
                 )
+                gr.Markdown(" Check the available target proteins [here](https://github.com/juliocesar-io/PLA-Net/blob/main/data/targets.md). The corresponding protein sequences are available in [here](https://github.com/juliocesar-io/PLA-Net/blob/main/data/datasets/AD/Targets_Fasta.csv).")
             with gr.Column():
                 gr.Markdown("#### Ligand")
                 ligand_smile = gr.Textbox(