chore: add design template #277

Job	Run time
linux-x86-ci (ubuntu-latest)	1m 18s
linux-x86-deny	38s
linux-x86-ci-generated	15s
linux-x86-ci (ubuntu-24.04-arm)	1m 21s
macos-x86-ci-asm	2m 1s
linux-fuzz	4m 28s
linux-arm-ci-asm	7m 55s
linux-native-ci-asm (ubuntu-latest)	1m 21s
linux-native-ci-asm (ubuntu-24.04-arm)	1m 19s
linux-native-test-spawn (ubuntu-24.04-arm)	1m 2s
linux-arm-test-suite	6m 29s
windows-x86-ci-asm	3m 15s
linux-native-test-spawn (ubuntu-latest)	1m 16s
linux-native-test-suite (ubuntu-latest)	4m 30s
linux-native-ci-asm-chaos (ubuntu-24.04-arm)	1m 17s
linux-native-ci-asm-chaos (ubuntu-latest)	1m 28s
linux-native-test-suite (ubuntu-24.04-arm)	3m 24s
	43m 17s

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