Added Google Lighthouse performance metrics

Author: pycoder2000

README.md

@@ -65,6 +65,10 @@
    npm run serve
    ```
 
+## 📊 Google Lighthouse Performance Metrics
+
+![Google Lighthouse Performance Metrics](https://raw.githubusercontent.com/pycoder2000/portfolio-v4/main/src/images/Performance%20Metrics.png)
+
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