Presenton Beta 0.4.9 🚀

What’s Changed

• feat(Nextjs): Mermaid diagram layout & support added & refactor setting.json to settings.json by @ShivaRajBadu in https://github.com/presenton/presenton/pull/158
• fix(fastapi): export assets not found issue by @sauravniraula in https://github.com/presenton/presenton/pull/159
• fix/presentation export by @sauravniraula in https://github.com/presenton/presenton/pull/160

Full Changelog: https://github.com/presenton/presenton/compare/v0.4.8-beta…v0.4.9-beta