fullHelp method
Returns bindings for the full help view, grouped by columns.
Each inner list represents a column of help items.
Implementation
@override
List<List<KeyBinding>> fullHelp() => [
[characterBackward, characterForward],
[wordBackward, wordForward],
[lineStart, lineEnd],
[linePrevious, lineNext],
[
deleteBeforeCursor,
deleteCharacterForward,
deleteWordBackward,
deleteWordForward,
deleteToLineStart,
deleteToLineEnd,
deleteAfterCursor,
],
[
inputBegin,
inputEnd,
transposeCharacterBackward,
uppercaseWordForward,
lowercaseWordForward,
capitalizeWordForward,
],
];