Stub of an o3-averaging example #383

Job	Run time
setup	4s
generate-example (heat-capacity)	2m 8s
generate-example (o3-averaging)	2m 5s
generate-example (batch-cp2k)	1m 41s
generate-example (sample-selection)	3m 22s
generate-example (path-integrals)	1m 39s
generate-example (dos-align)	6m 18s
generate-example (gaas-map)	4m 2s
generate-example (pi-metad)	3m 57s
generate-example (roy-gch)	3m 21s
generate-example (lode-linear)	3m 9s
generate-example (lpr)	3m 17s
build-and-publish	34s
	35m 37s

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