Hotkeys and shortcuts for SimpleMind

(Total 18)

`⭾ Tab`	General Add child topic
`⤶ Enter`	General Add sibling topic
`Ctrl` + `L`	General Cross link
`Ctrl` + `C`	General Copy selected element
`Ctrl` + `X`	General Cut selected element
`Ctrl` + `V`	General Paste
`Del`	General Delete
`Ctrl` + `E`	General Edit text
`Ctrl` + `N`	General Edit note
`Ctrl` + `⤶ Enter`	General OK
`Esc`	General Cancel
`← ↑ → ↓`	General Navigate between topics
`Ctrl` + `B`	General Bold font style for selected topics or labels
`Ctrl` + `I`	General Italic font style for selected topics or labels
`Ctrl` + `U`	General Toggle Underline font effect for selected topics or labels
`Ctrl` + `Z`	General Undo
`Ctrl` + `Y`	General Redo
`Ctrl` + `W`	General Apply default Word Wrap