feat(examples): Implement commit-reveal mechanism for Shifumi game to enhance fairness #4482

Job	Run time
setup	4s
Run Main (gnodev) / Go Build / generated	6s
Run Main (gnodev) / Go Linter / lint	49s
Run Main (gnodev) / Go Test / test	1m 9s
Run Main (gnofaucet) / Go Build / generated	11s
Run Main (gnofaucet) / Go Linter / lint	40s
Run Main (gnofaucet) / Go Test / test	42s
Run Main (gnokeykc) / Go Build / generated	8s
Run Main (gnokeykc) / Go Linter / lint	41s
Run Main (gnomd) / Go Build / generated	5s
Run Main (gnokeykc) / Go Test / test	43s
Run Main (gnomd) / Go Linter / lint	20s
Run Main (gnomd) / Go Test / test	30s
	6m 8s

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