undo "split vertical|horizontal"
Hi, I'd like to know if there is a "undo" command for "split vertical|horizontal", which I think is basically to destroy current container and make all the windows in the container the children of the parent container.
I find I frequently need that operation but does not find a clean and quick way to do it. If there is no such an operation yet I may want to write that feature if not complex.
General note: please file a feature request on Github and wait for feedback instead of just submitting a patch. Just to avoid the risk of investing time into a patch that won't be merged.