feat(examples): implement `r/events`, `p/authorizable` #3647

Job	Run time
setup	5s
Run Main (gnodev) / Go Build / generated	7s
Run Main (gnodev) / Go Linter / lint	37s
Run Main (gnodev) / Go Test / test	1m 1s
Run Main (gnofaucet) / Go Linter / lint	28s
Run Main (gnofaucet) / Go Build / generated	7s
Run Main (gnofaucet) / Go Test / test	34s
Run Main (gnokeykc) / Go Build / generated	8s
Run Main (gnokeykc) / Go Linter / lint	32s
Run Main (gnokeykc) / Go Test / test	42s
Run Main (gnomd) / Go Build / generated	6s
Run Main (gnomd) / Go Test / test	23s
Run Main (gnomd) / Go Linter / lint	26s
	5m 16s

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