examples: Add example for atomic write verify #916

Job	Run time
build-containers (debian, debian, bookworm, x86_64)	13m 6s
build (linux-gcc)	28m 53s
build-containers (fedora, fedora, 40, x86_64)	14m 13s
build (linux-clang)	12m 37s
build-containers (alma, almalinux, 9, x86_64)	14m 9s
build (macos)	14m 54s
build-containers (oracle, oraclelinux, 9, x86_64)	14m 27s
build-containers (rocky, rockylinux, 9, x86_64)	14m 13s
build (linux-i686-gcc)	13m 6s
build-containers (ubuntu, ubuntu, noble, i686)	13m 3s
build (android)	33s
build-containers (ubuntu, ubuntu, noble, x86_64)	13m 30s
build (windows-cygwin-64)	15m 49s
build (windows-cygwin-32)	15m 26s
build (windows-msys2-64)	14m 38s
build (android-recovery, ubuntu-22.04, aarch64-linux-android32)	56s
	3h 33m 33s

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