Update README.md

Author: Amar825

README.md

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-# DBT_Cloud_BigQuery_data_pipeline 🚀  
-An end-to-end data engineering pipeline using **Google Cloud Platform**, **DBT**, and **BigQuery**, with full automation through **GitHub Actions (CI/CD)**.
+# dbt-GCP-BigQuery-Healthcare-data-pipeline 🚀  
+**A fully automated, production-grade data pipeline on** **GCP** **using** **DBT**, **BigQuery**, **and GitHub Actions (CI/CD)** — **built to simulate a real-world healthcare analytics use case.**
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