add DOI and PDF inputs

app.py

@@ -3,5 +3,18 @@ import gradio as gr
 def greet(name):
     return "Hello " + name + "!!"
 
+# Gradio interface
+with gr.Blocks() as demo:
+    gr.Markdown("## Citation Integrity Score")
+
+    doi_input = gr.Textbox(label="Enter DOI")
+    pdf_input = gr.File(label="Upload PDF", file_types=[".pdf"])
+    output = gr.Textbox(label="Output")
+
+    submit_btn = gr.Button("Submit")
+    # submit_btn.click(fn=process_input, inputs=[doi_input, pdf_input], outputs=output)
+
+demo.launch()
+
 demo = gr.Interface(fn=greet, inputs="text", outputs="text")
 demo.launch()