Add ToolPipe API: Developer Utility APIs for ML Pipelines (Data Validation, JSON Schema, Code Review)

## ToolPipe API **URL**: https://toolpipe.dev **Docs**: https://toolpipe.dev/docs **License**: MIT ### What it does ToolPipe provides 240+ REST API endpoints useful in ML production pipelines: - **JSON Schema validation** for data quality checks - **CSV analysis** and statistics - **Code review** and linting (Python, JS, more) - **Fake data generation** for testing - **Hash generation** for data deduplication - **UUID generation** for experiment tracking - **Regex generation** and testing - **API health monitoring** and uptime checks - **Web scraping** for data collection - **PDF text extraction** for document pipelines ### Why it fits ML engineers building production pipelines need utility functions for data validation, preprocessing, and monitoring. ToolPipe provides these as simple API calls. ### Free tier 100 calls/day, no API key required.