Pre-release: 2.1 beta 4

Pre-release: 2.1 beta 4

New feature: Shortcuts and Drag and Drop mode idea by #26 By ash0080

Hey! PinNote now support new shortcuts:

• Create new target, default shortcut: ctrl/⌘ ⇧ T
• Create new root task: Shift + enter
• Delete current task: ctrl/⌘ ⇧ ⌫
• Select previous task: ↑
• Select next task: ↓

Drag and drop mode here! Now you can reorder your tasks or move to another note