run demos without docker, keep docker optional via --with-ui

demos/getting_started/weather_forecast/README.md

@@ -10,15 +10,26 @@ This demo shows how you can use Plano's core function calling capabilities.
 3. ```sh
    sh run_demo.sh
    ```
-4. Navigate to http://localhost:3001/
-5. You can type in queries like "how is the weather?"
+4. Test with curl:
+   ```sh
+   curl http://localhost:10000/v1/chat/completions \
+     -H "Content-Type: application/json" \
+     -d '{"model": "gpt-4o", "messages": [{"role": "user", "content": "how is the weather in San Francisco?"}]}'
+   ```
 
 Here is a sample interaction,
 <img width="575" alt="image" src="https://github.com/user-attachments/assets/e0929490-3eb2-4130-ae87-a732aea4d059">
 
-## Tracing
+## Using the Chat UI and Tracing (optional)
 
-To see a tracing dashboard, navigate to http://localhost:16686/ to open Jaeger UI.
+To start AnythingLLM (chat UI) and other optional services, pass `--with-ui`:
+
+```sh
+sh run_demo.sh --with-ui
+```
+
+- Navigate to http://localhost:3001/ for AnythingLLM
+- Navigate to http://localhost:16686/ for Jaeger tracing UI
 
 ### Stopping Demo