Refactor real estate ETL project structure and remove dlt-specific components

- Remove real-estate-etl-dlt directory and its Scrapy/dlt-specific implementation
- Update README.md to reflect current project structure
- Add README.md to real-estate-etl directory with project details
- Simplify project configuration by removing unnecessary dlt-related files

Author: Adriano Sanges

README.md

@@ -1,9 +1,10 @@
 This repository contains data pipelines for various datasets.
 
-## Real Estate ETL DLT
+## Real Estate ETL
 
 This pipeline is used to extract data from the real estate website Immobiliare.it.
 
-The pipeline is defined in the `real-estate-etl-dlt` directory.
+The pipeline is defined in the `real-estate-etl` directory.
+
+It uses the BeatifulSoup library to scrape and DuckDB to store the data.
 
-It uses the `dlt` library to define the pipeline and the `scrapy` library to scrape the data.