getKeyboardShortcutsHelp function

Implementation

String getKeyboardShortcutsHelp() {
  return '''
<cyan>**Keyboard Shortcuts**</cyan>
  <yellow>**Up**</yellow>/<yellow>**Down**</yellow>       Navigate command history
  <yellow>**Left**</yellow>/<yellow>**Right**</yellow>    Move cursor
  <yellow>**Home**</yellow>/<yellow>**Ctrl-A**</yellow>   Go to start of line
  <yellow>**End**</yellow>/<yellow>**Ctrl-E**</yellow>    Go to end of line
  <yellow>**Ctrl-U**</yellow>            Delete to start of line
  <yellow>**Ctrl-K**</yellow>            Delete to end of line
  <yellow>**Ctrl-L**</yellow>            Clear screen
  <yellow>**Ctrl-C**</yellow>            Cancel await / exit''';
}