Pybmd

StillManager
- Change default `file_name_format` to `"$file_name$_$clip_frame_count$"` in `export_still`

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toolkits
- Fix some bugs in `StillManager`

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toolkits
- Add `StillManager` for grab and export still from timeline markers
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ProjectManager
- Add `create_cloud_project`
- Add `import_cloud_project`
- Add `restore_cloud_project`

MediaPool
- Add `create_stereo_clip`

Folder
- Add `transcribe_audio`
- Add `clear_transcription`

Timeline
- Modify `create_subtitle_from_audio`
- Add `convert_timeline_to_stereo`

MISC
- Add settings module
- Auto start davinci resolve if not running (optional)
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GalleryStillAlbum
- Modify `delete_stills`

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Bmd
- Add `ImportRenderPreset`
- Add `ExportRenderPreset`
- Add `ImportBurnInPreset`
- Add `ExportBurnInPreset`

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