public void addSideTab(@Nonnull ObservableValue<String> binding, @Nonnull Ikon icon, @Nullable Node content) {
		addSideTab(binding, d -> new FontIconView(icon), content);
	}
Adds a new side tab to this pane.

@param binding
		Side tab title binding.
@param icon
		Side tab icon.
@param content
		Side tab content to display.
recaf-ui/src/main/java/software/coley/recaf/ui/pane/editing/AbstractContentPane.java