added. try to update to version 5.1.0

Shortcuts ( You can change Shortcuts via Manage Extension Shortcuts )
- Rotate : ctrl+shift+9 or ctrl+shift+/
- Zoom in : ctrl+shift+.
- Zoom out : ctrl+shift+,
- Move left : ctrl+shift+arrow-left
- Move right : ctrl+shift+arrow-right
- Move up : ctrl+shift+arrow-up
- Move down : ctrl+shift+arrow-down
- Mirror : ctrl+shift+8 or ctrl+shift+'
- Reset Zoom/Move/Mirror Options : ctrl+shift+7 or ctrl+shift+z