Add instruction for streamlit demo

examples/ui/command_line.py

@@ -1,5 +1,5 @@
 """
-To Use it:
+To Use It:
 
 Example 1: Using OpenAI (default), with default task: 'go to reddit and search for posts about browser-use'
 python command_line.py

examples/ui/streamlit_demo.py

@@ -1,3 +1,10 @@
+"""
+To use it, you'll need to install streamlit, and run with:
+
+python -m streamlit run streamlit_demo.py
+
+"""
+
 import os
 import sys
 import asyncio