New Features
Added default shape size settings

Added resize mode for shapes
Resize mode has various features for managing shape size. You can switch between normal and resize mode by tapping resize button.
Resize mode allows resizing shapes by moving separate border, applying shape size to other shapes, resetting shape size to default and setting shape size as default.



Added aligning of shape sides while moving or resizing

Added ability to align and distribute selected shapes

Added alignment settings

Minor changes and improvements:
- Changed selection outline
- Removed text blurring while zooming
- Added diagram preview to all settings screens
- Updated tutorials
- Minor bug fixes