public B menuGroup(String group) {
		menuGroup = group;
		return self();
	}
Sets the group for the action in the menu bar.  Actions in the same group will appear
next to other actions in the same group and actions in different groups will be separated
by menu dividers.

@param group for this action
@return this builder (for chaining)
Ghidra/Framework/Docking/src/main/java/docking/action/builder/AbstractActionBuilder.java