add enum PanelDistribution #282

Job	Run time
Documentation	1m 21s
Julia 1.10 - ubuntu-latest - x64 - pull_request	1m 16s
Julia 1 - ubuntu-latest - x64 - pull_request	1m 17s
Julia pre - ubuntu-latest - x64 - pull_request	1m 16s
Julia 1 - windows-latest - x64 - pull_request	1m 3s
Julia 1 - macOS-latest - aarch64 - pull_request	1m 6s
	7m 19s

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