v0.6.4

What's Changed

• Enhance BigQuery configuration: support multi-dataset input, add migr… by @osmanuygar in #103
• Dev2 by @osmanuygar in #104
• Add confirmation step for SQL query execution and cost estimation by @osmanuygar in #105
• Enhance email service configuration: add SMTP timeout setting and upd… by @osmanuygar in #106
• Enhance query execution flow: add session validation for confirmed ex… by @osmanuygar in #107
• Enhance SQL execution flow: add confirmation prompt before executing … by @osmanuygar in #108
• Refactor middleware: convert SecurityHeadersMiddleware and RateLimitM… by @osmanuygar in #109

Full Changelog: 0.6.2...v0.6.4