Update app.py

app.py

@@ -15,6 +15,11 @@ load_dotenv()
 def main():
     st.set_page_config(page_title="PDF Chat")
     st.header("Chat with your PDFs 💬")
+    #Credit
+    st.write(" ")
+    st.write("Visit us [here](https://ai-solutions.ai) for more AI Solutions.")
+    st.write(" ")
+    st.write(" ")
 
     # Upload PDF files
     pdf_files = st.file_uploader("Upload your PDF files (please do not upload anything confidential for this demo)", type="pdf", accept_multiple_files=True)