[Refactor] Converge Pipeline and App classes (#1021)

Co-authored-by: Deven Patel <deven298@yahoo.com>

examples/chainlit/app.py

@@ -2,7 +2,7 @@ import os
 
 import chainlit as cl
 
-from embedchain import Pipeline as App
+from embedchain import App
 
 os.environ["OPENAI_API_KEY"] = "sk-xxx"
 

examples/chat-pdf/app.py

@@ -6,7 +6,7 @@ import threading
 
 import streamlit as st
 
-from embedchain import Pipeline as App
+from embedchain import App
 from embedchain.config import BaseLlmConfig
 from embedchain.helpers.callbacks import (StreamingStdOutCallbackHandlerYield,
                                           generate)

examples/mistral-streamlit/app.py

@@ -2,7 +2,7 @@ import os
 
 import streamlit as st
 
-from embedchain import Pipeline as App
+from embedchain import App
 
 
 @st.cache_resource

examples/rest-api/main.py

@@ -9,7 +9,7 @@ from services import get_app, get_apps, remove_app, save_app
 from sqlalchemy.orm import Session
 from utils import generate_error_message_for_api_keys
 
-from embedchain import Pipeline as App
+from embedchain import App
 from embedchain.client import Client
 
 Base.metadata.create_all(bind=engine)

examples/sadhguru-ai/app.py

@@ -6,7 +6,7 @@ from io import StringIO
 import requests
 import streamlit as st
 
-from embedchain import Pipeline as App
+from embedchain import App
 from embedchain.config import BaseLlmConfig
 from embedchain.helpers.callbacks import (StreamingStdOutCallbackHandlerYield,
                                           generate)

examples/unacademy-ai/app.py

@@ -2,7 +2,7 @@ import queue
 
 import streamlit as st
 
-from embedchain import Pipeline as App
+from embedchain import App
 from embedchain.config import BaseLlmConfig
 from embedchain.helpers.callbacks import (StreamingStdOutCallbackHandlerYield,
                                           generate)
@@ -35,7 +35,7 @@ with st.expander(":grey[Want to create your own Unacademy UPSC AI?]"):
     ```
 
     ```python
-    from embedchain import Pipeline as App
+    from embedchain import App
     unacademy_ai_app = App()
     unacademy_ai_app.add(
         "https://unacademy.com/content/upsc/study-material/plan-policy/atma-nirbhar-bharat-3-0/",