color schemes? (8-col, original cbonsai, monochrome)

[github-actions]

gobonsai/colors.go

Lines 19 to 24 in af75dcb

	// TODO: color schemes? (8-col, original cbonsai, monochrome)
	// based on type of tree, determine what color a branch should be
	func chooseColor(kind branch) tcell.Style {
	switch kind {
	case dying:

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This issue was generated by todo-issue based on a TODO comment in af75dcb.