Revise README with clone steps (#3088)

Updated caution note to important and added clone instructions.
    
<!-- This is an auto-generated description by cubic. -->
---

## Summary by cubic
Clarified setup for the news-use example by adding git clone and cd
steps so users can run it easily. Also changed the version note to
IMPORTANT to highlight the required browser-use v0.7.7+."

<!-- End of auto-generated description by cubic. -->

Author: avocardio

examples/apps/news-use/README.md

@@ -2,7 +2,7 @@
 
 Automatically monitor news websites and extract the latest articles with sentiment analysis using browser agents and Google Gemini.
 
-> [!CAUTION]
+> [!IMPORTANT]
 > This demo requires browser-use v0.7.7+.
 
 https://github.com/user-attachments/assets/698757ca-8827-41f3-98e5-c235d6eef69f
@@ -27,6 +27,12 @@ Export your Gemini API key, get it from: [Google AI Studio](https://makersuite.g
 export GEMINI_API_KEY='your-google-api-key-here'
 ```
 
+Clone the repo and cd into the app folder
+```bash
+git clone https://github.com/browser-use/browser-use.git
+cd browser-use/examples/apps/news-use
+```
+
 ## Usage
 
 ```bash