Added simple echo example

01_pipeline_tester.py

@@ -0,0 +1,23 @@
+from typing import List, Union, Generator, Iterator
+
+class Pipeline:
+    def __init__(self):
+        self.name = "Simple pipeline tester"
+        pass
+
+    async def on_startup(self):
+        # This function is called when the server is started.
+        print(f"on_startup:{__name__}")
+        pass
+
+    async def on_shutdown(self):
+        # This function is called when the server is shutdown.
+        print(f"on_shutdown:{__name__}")
+        pass
+
+    
+    def pipe(self, user_message: str, model_id: str, messages: List[dict], body: dict) -> Union[str, Generator, Iterator]:
+        # This function is called when a new user_message is receieved.
+        
+        print(f"received message from user: {user_message}") #user_message to logs
+        return (f"received message from user: {user_message}") #user_message to the UI

README.md

@@ -3,3 +3,4 @@
 These python scripts are meant as a pipeline between Openweb UI and Openrouter
 
 1. 00: Queries a openrouter model and returns the response to the chat
+2. 01: Simple Echo example