feat: add examples for scraping e commerce

ecommerce-scraper/.env.example

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+OPENAI_API_KEY="your_openai_api_key"
+SCRAPEGRAPH_API_KEY="your_scrapegraph_api_key"

ecommerce-scraper/README.md

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+# E-commerce Scraper
+
+A Python-based web scraping tool built with CrewAI and ScrapegraphAI ([Scrapegraph](https://scrapegraph.ai/)) that extracts product information from e-commerce websites. Currently configured to scrape keyboard listings from eBay Italy.
+
+## Features
+
+- Automated web scraping using CrewAI agents
+- Integration with Scrapegraph for reliable data extraction
+- Configurable for different product searches
+- Environment-based configuration for API keys
+
+## Prerequisites
+
+- Python 3.8 or higher
+- OpenAI API key
+- Scrapegraph API key
+
+## Installation
+
+1. Clone the repository:
+   ```bash
+   git clone <repository-url>
+   cd ecommerce-scraper
+   ```
+
+2. Install the required dependencies:
+   ```bash
+   pip install crewai crewai-tools python-dotenv
+   ```
+
+3. Set up environment variables:
+   - Copy `.env.example` to `.env`
+   - Add your API keys to the `.env` file:
+   ```plaintext
+   OPENAI_API_KEY="your_openai_api_key"
+   SCRAPEGRAPH_API_KEY="your_scrapegraph_api_key"
+   ```
+
+## Usage
+
+Run the scraper:
+```bash
+python ecommerce_scraper.py
+```
+
+The script will:
+1. Connect to eBay Italy
+2. Search for keyboards
+3. Extract product information
+4. Output the results
+
+## Customization
+
+To scrape different products or websites, modify the `website` variable in `ecommerce_scraper.py`:
+
+```python
+website = "https://www.ebay.it/sch/i.html?_from=R40&_trksid=m570.l1313&_nkw=your_search_term&_sacat=0"
+```
+
+Replace `your_search_term` with the product you want to search for.
+
+## License
+
+[Add your chosen license here]
+
+## Contributing
+
+Contributions are welcome! Please feel free to submit a Pull Request.

ecommerce-scraper/ecommerce_scraper.py

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+from crewai import Agent, Crew, Process, Task
+
+from crewai_tools import ScrapegraphScrapeTool
+from dotenv import load_dotenv
+
+load_dotenv()
+
+website = "https://www.ebay.it/sch/i.html?_from=R40&_trksid=m570.l1313&_nkw=keyboard&_sacat=0"
+tool = ScrapegraphScrapeTool()
+
+agent = Agent(
+    role="Web Researcher",
+    goal="Research and extract accurate information from websites",
+    backstory="You are an expert web researcher with experience in extracting and analyzing information from various websites.",
+    tools=[tool],
+)
+
+task = Task(
+    name="scraping task",
+    description=f"Visit the website {website} and extract detailed information about all the keyboards available.",
+    expected_output="A file with the informations extracted from the website.",
+    agent=agent,    
+)
+
+crew = Crew(
+    agents=[agent],
+    tasks=[task],
+)
+
+crew.kickoff()