readNdraft IMAP MCP v0.9.0

What's Changed

• Batch IMAP search fetches by @LeoPhoenixT in #37
• Enhance MCP agent workflows by @LeoPhoenixT in #36
• Prepare readNdraft IMAP MCP 0.9.0 by @LeoPhoenixT in #38

Full Changelog: v0.8.1...v0.9.0