chore: import upstream snapshot with attribution

backend/chainlit/sample/hello.py

@@ -0,0 +1,12 @@
+# This is a simple example of a chainlit app.
+
+from chainlit import AskUserMessage, Message, on_chat_start
+
+
+@on_chat_start
+async def main():
+    res = await AskUserMessage(content="What is your name?", timeout=30).send()
+    if res:
+        await Message(
+            content=f"Your name is: {res['output']}.\nChainlit installation is working!\nYou can now start building your own chainlit apps!",
+        ).send()

backend/chainlit/sample/starters_demo.py

@@ -0,0 +1,59 @@
+from typing import Optional
+
+import chainlit as cl
+
+
+@cl.set_starter_categories
+async def starter_categories(user: Optional[cl.User] = None):
+    return [
+        cl.StarterCategory(
+            label="Creative",
+            icon="https://cdn-icons-png.flaticon.com/512/3094/3094837.png",
+            starters=[
+                cl.Starter(
+                    label="Write a poem about nature",
+                    message="Write a poem about nature",
+                ),
+                cl.Starter(
+                    label="Create a short story",
+                    message="Create a short story about adventure",
+                ),
+                cl.Starter(
+                    label="Generate a creative name",
+                    message="Generate creative names for a tech startup",
+                ),
+            ],
+        ),
+        cl.StarterCategory(
+            label="Learning",
+            icon="https://cdn-icons-png.flaticon.com/512/3976/3976625.png",
+            starters=[
+                cl.Starter(
+                    label="Explain a complex topic",
+                    message="Explain quantum computing in simple terms",
+                ),
+                cl.Starter(
+                    label="Help me learn a language",
+                    message="Teach me basic French phrases",
+                ),
+            ],
+        ),
+        cl.StarterCategory(
+            label="Productivity",
+            icon="https://cdn-icons-png.flaticon.com/512/1055/1055646.png",
+            starters=[
+                cl.Starter(
+                    label="Summarize a topic",
+                    message="Summarize the key points of machine learning",
+                ),
+                cl.Starter(
+                    label="Create a plan", message="Help me create a weekly study plan"
+                ),
+            ],
+        ),
+    ]
+
+
+@cl.on_message
+async def on_message(msg: cl.Message):
+    await cl.Message(f"You said: {msg.content}").send()