Update app.py

app.py

@@ -1,33 +1,16 @@
 import streamlit as st
-
-
-
-st.set_page_config("Welcome")
-
-st.write("# Welcome to PatentGuru! 👋")
-st.sidebar.success("Select a demo above")
-
-st.markdown(
-    """
-    PatentGuru is an patent search assistant built specifically for
-    building patents on any subject. The project uses data from Google patents covering a gamut of 1.3 mn granted patents
-    across all categories
-
-    **👈 Select a demo from the dropdown on the left** to see some examples
-    of what PatentGuru can do!
-
-    ### Want to learn more about patents?
-
-    - Check out [United States Patent and Trademark office](https://www.uspto.gov/)
-    - Jump into the Open Source Documentation that was used for embedding [AI-Growth-Lab](https://huggingface.co/AI-Growth-Lab/PatentSBERTa)
-    - Ask a question in our [community
-        forums](https://discuss.streamlit.io)
-
-    ### See more on tensor flow datasets
-
-    - Use a tensor flow dataset to [analyze the patent categorization and abstract
-        Dataset](hhttps://www.tensorflow.org/datasets/catalog/big_patent)
-    - Explore a [European Patent Office](https://www.epo.org/en)
-"""
-    )
-
+import pandas as pd
+from services.multiapp import MultiApp
+from functools import partial
+from pages import ChatPDF_Ingestion, ChatPDF_Reader, Intelligent_Chatbot, Patent_Ingestion, Patent_Search, Prompt_Engineer, About
+
+
+app = MultiApp()
+app.add_app('About', About.app)
+app.add_app('ChatPDF Ingestion', ChatPDF_Ingestion.app)
+app.add_app('ChatPDF Reader', Intelligent_Chatbot.app)
+app.add_app('Intelligent Chatbot', Intelligent_Chatbot.app)
+app.add_app('Patent Ingestion', Patent_Ingestion.app)
+app.add_app('Patent Search', Patent_Search.app)
+app.add_app('Prompt Engineer', Prompt_Engineer.app)
+app.run()